87667840

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{257}}^1$

素因数の和:330

約数の個数: 128

約数和(自身を含む): 232107120

約数和(自身を除く): 144439280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 41, 52, 64, 65, 80, 82, 104, 128, 130, 160, 164, 205, 208, 257, 260, 320, 328, 410, 416, 514, 520, 533, 640, 656, 820, 832, 1028, 1040, 1066, 1285, 1312, 1640, 1664, 2056, 2080, 2132, 2570, 2624, 2665, 3280, 3341, 4112, 4160, 4264, 5140, 5248, 5330, 6560, 6682, 8224, 8320, 8528, 10280, 10537, 10660, 13120, 13364, 16448, 16705, 17056, 20560, 21074, 21320, 26240, 26728, 32896, 33410, 34112, 41120, 42148, 42640, 52685, 53456, 66820, 68224, 82240, 84296, 85280, 105370, 106912, 133640, 136981, 164480, 168592, 170560, 210740, 213824, 267280, 273962, 337184, 341120, 421480, 427648, 534560, 547924, 674368, 684905, 842960, 1069120, 1095848, 1348736, 1369810, 1685920, 2138240, 2191696, 2739620, 3371840, 4383392, 5479240, 6743680, 8766784, 10958480, 17533568, 21916960, 43833920, 87667840]

約数ペア:

[(1, 87667840), (2, 43833920), (4, 21916960), (5, 17533568), (8, 10958480), (10, 8766784), (13, 6743680), (16, 5479240), (20, 4383392), (26, 3371840), (32, 2739620), (40, 2191696), (41, 2138240), (52, 1685920), (64, 1369810), (65, 1348736), (80, 1095848), (82, 1069120), (104, 842960), (128, 684905), (130, 674368), (160, 547924), (164, 534560), (205, 427648), (208, 421480), (257, 341120), (260, 337184), (320, 273962), (328, 267280), (410, 213824), (416, 210740), (514, 170560), (520, 168592), (533, 164480), (640, 136981), (656, 133640), (820, 106912), (832, 105370), (1028, 85280), (1040, 84296), (1066, 82240), (1285, 68224), (1312, 66820), (1640, 53456), (1664, 52685), (2056, 42640), (2080, 42148), (2132, 41120), (2570, 34112), (2624, 33410), (2665, 32896), (3280, 26728), (3341, 26240), (4112, 21320), (4160, 21074), (4264, 20560), (5140, 17056), (5248, 16705), (5330, 16448), (6560, 13364), (6682, 13120), (8224, 10660), (8320, 10537), (8528, 10280)]