2494288640

素因数分解:

$2^8\times 5^1\times {\mathrm{659}}^1\times {\mathrm{2957}}^1$

素因数の和:3637

約数の個数: 72

約数和(自身を含む): 5985690480

約数和(自身を除く): 3491401840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 659, 1280, 1318, 2636, 2957, 3295, 5272, 5914, 6590, 10544, 11828, 13180, 14785, 21088, 23656, 26360, 29570, 42176, 47312, 52720, 59140, 84352, 94624, 105440, 118280, 168704, 189248, 210880, 236560, 378496, 421760, 473120, 756992, 843520, 946240, 1892480, 1948663, 3784960, 3897326, 7794652, 9743315, 15589304, 19486630, 31178608, 38973260, 62357216, 77946520, 124714432, 155893040, 249428864, 311786080, 498857728, 623572160, 1247144320, 2494288640]

約数ペア:

[(1, 2494288640), (2, 1247144320), (4, 623572160), (5, 498857728), (8, 311786080), (10, 249428864), (16, 155893040), (20, 124714432), (32, 77946520), (40, 62357216), (64, 38973260), (80, 31178608), (128, 19486630), (160, 15589304), (256, 9743315), (320, 7794652), (640, 3897326), (659, 3784960), (1280, 1948663), (1318, 1892480), (2636, 946240), (2957, 843520), (3295, 756992), (5272, 473120), (5914, 421760), (6590, 378496), (10544, 236560), (11828, 210880), (13180, 189248), (14785, 168704), (21088, 118280), (23656, 105440), (26360, 94624), (29570, 84352), (42176, 59140), (47312, 52720)]