27971840

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^2$

素因数の和:116

約数の個数: 108

約数和(自身を含む): 73958052

約数和(自身を除く): 45986212

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, 256, 260, 320, 328, 410, 416, 520, 533, 640, 656, 820, 832, 1040, 1066, 1280, 1312, 1640, 1664, 1681, 2080, 2132, 2624, 2665, 3280, 3328, 3362, 4160, 4264, 5248, 5330, 6560, 6724, 8320, 8405, 8528, 10496, 10660, 13120, 13448, 16640, 16810, 17056, 21320, 21853, 26240, 26896, 33620, 34112, 42640, 43706, 52480, 53792, 67240, 68224, 85280, 87412, 107584, 109265, 134480, 136448, 170560, 174824, 215168, 218530, 268960, 341120, 349648, 430336, 437060, 537920, 682240, 699296, 874120, 1075840, 1398592, 1748240, 2151680, 2797184, 3496480, 5594368, 6992960, 13985920, 27971840]

約数ペア:

[(1, 27971840), (2, 13985920), (4, 6992960), (5, 5594368), (8, 3496480), (10, 2797184), (13, 2151680), (16, 1748240), (20, 1398592), (26, 1075840), (32, 874120), (40, 699296), (41, 682240), (52, 537920), (64, 437060), (65, 430336), (80, 349648), (82, 341120), (104, 268960), (128, 218530), (130, 215168), (160, 174824), (164, 170560), (205, 136448), (208, 134480), (256, 109265), (260, 107584), (320, 87412), (328, 85280), (410, 68224), (416, 67240), (520, 53792), (533, 52480), (640, 43706), (656, 42640), (820, 34112), (832, 33620), (1040, 26896), (1066, 26240), (1280, 21853), (1312, 21320), (1640, 17056), (1664, 16810), (1681, 16640), (2080, 13448), (2132, 13120), (2624, 10660), (2665, 10496), (3280, 8528), (3328, 8405), (3362, 8320), (4160, 6724), (4264, 6560), (5248, 5330)]