40669520

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^2\times {\mathrm{31}}^2$

素因数の和:121

約数の個数: 90

約数和(自身を含む): 102137994

約数和(自身を除く): 61468474

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 40, 46, 62, 80, 92, 115, 124, 155, 184, 230, 248, 310, 368, 460, 496, 529, 620, 713, 920, 961, 1058, 1240, 1426, 1840, 1922, 2116, 2480, 2645, 2852, 3565, 3844, 4232, 4805, 5290, 5704, 7130, 7688, 8464, 9610, 10580, 11408, 14260, 15376, 16399, 19220, 21160, 22103, 28520, 32798, 38440, 42320, 44206, 57040, 65596, 76880, 81995, 88412, 110515, 131192, 163990, 176824, 221030, 262384, 327980, 353648, 442060, 508369, 655960, 884120, 1016738, 1311920, 1768240, 2033476, 2541845, 4066952, 5083690, 8133904, 10167380, 20334760, 40669520]

約数ペア:

[(1, 40669520), (2, 20334760), (4, 10167380), (5, 8133904), (8, 5083690), (10, 4066952), (16, 2541845), (20, 2033476), (23, 1768240), (31, 1311920), (40, 1016738), (46, 884120), (62, 655960), (80, 508369), (92, 442060), (115, 353648), (124, 327980), (155, 262384), (184, 221030), (230, 176824), (248, 163990), (310, 131192), (368, 110515), (460, 88412), (496, 81995), (529, 76880), (620, 65596), (713, 57040), (920, 44206), (961, 42320), (1058, 38440), (1240, 32798), (1426, 28520), (1840, 22103), (1922, 21160), (2116, 19220), (2480, 16399), (2645, 15376), (2852, 14260), (3565, 11408), (3844, 10580), (4232, 9610), (4805, 8464), (5290, 7688), (5704, 7130)]