137402480

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{257}}^1$

素因数の和:474

約数の個数: 80

約数和(自身を含む): 330541344

約数和(自身を除く): 193138864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 163, 164, 205, 257, 326, 328, 410, 514, 652, 656, 815, 820, 1028, 1285, 1304, 1630, 1640, 2056, 2570, 2608, 3260, 3280, 4112, 5140, 6520, 6683, 10280, 10537, 13040, 13366, 20560, 21074, 26732, 33415, 41891, 42148, 52685, 53464, 66830, 83782, 84296, 105370, 106928, 133660, 167564, 168592, 209455, 210740, 267320, 335128, 418910, 421480, 534640, 670256, 837820, 842960, 1675640, 1717531, 3351280, 3435062, 6870124, 8587655, 13740248, 17175310, 27480496, 34350620, 68701240, 137402480]

約数ペア:

[(1, 137402480), (2, 68701240), (4, 34350620), (5, 27480496), (8, 17175310), (10, 13740248), (16, 8587655), (20, 6870124), (40, 3435062), (41, 3351280), (80, 1717531), (82, 1675640), (163, 842960), (164, 837820), (205, 670256), (257, 534640), (326, 421480), (328, 418910), (410, 335128), (514, 267320), (652, 210740), (656, 209455), (815, 168592), (820, 167564), (1028, 133660), (1285, 106928), (1304, 105370), (1630, 84296), (1640, 83782), (2056, 66830), (2570, 53464), (2608, 52685), (3260, 42148), (3280, 41891), (4112, 33415), (5140, 26732), (6520, 21074), (6683, 20560), (10280, 13366), (10537, 13040)]