16105881580

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{701}}^1\times {\mathrm{28019}}^1$

素因数の和:28770

約数の個数: 48

約数和(自身を含む): 34697950560

約数和(自身を除く): 18592068980

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 701, 820, 1402, 2804, 3505, 7010, 14020, 28019, 28741, 56038, 57482, 112076, 114964, 140095, 143705, 280190, 287410, 560380, 574820, 1148779, 2297558, 4595116, 5743895, 11487790, 19641319, 22975580, 39282638, 78565276, 98206595, 196413190, 392826380, 805294079, 1610588158, 3221176316, 4026470395, 8052940790, 16105881580]

約数ペア:

[(1, 16105881580), (2, 8052940790), (4, 4026470395), (5, 3221176316), (10, 1610588158), (20, 805294079), (41, 392826380), (82, 196413190), (164, 98206595), (205, 78565276), (410, 39282638), (701, 22975580), (820, 19641319), (1402, 11487790), (2804, 5743895), (3505, 4595116), (7010, 2297558), (14020, 1148779), (28019, 574820), (28741, 560380), (56038, 287410), (57482, 280190), (112076, 143705), (114964, 140095)]