2015989600

素因数分解:

$2^5\times 5^2\times {\mathrm{1019}}^1\times {\mathrm{2473}}^1$

素因数の和:3512

約数の個数: 72

約数和(自身を含む): 4928356440

約数和(自身を除く): 2912366840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 1019, 2038, 2473, 4076, 4946, 5095, 8152, 9892, 10190, 12365, 16304, 19784, 20380, 24730, 25475, 32608, 39568, 40760, 49460, 50950, 61825, 79136, 81520, 98920, 101900, 123650, 163040, 197840, 203800, 247300, 395680, 407600, 494600, 815200, 989200, 1978400, 2519987, 5039974, 10079948, 12599935, 20159896, 25199870, 40319792, 50399740, 62999675, 80639584, 100799480, 125999350, 201598960, 251998700, 403197920, 503997400, 1007994800, 2015989600]

約数ペア:

[(1, 2015989600), (2, 1007994800), (4, 503997400), (5, 403197920), (8, 251998700), (10, 201598960), (16, 125999350), (20, 100799480), (25, 80639584), (32, 62999675), (40, 50399740), (50, 40319792), (80, 25199870), (100, 20159896), (160, 12599935), (200, 10079948), (400, 5039974), (800, 2519987), (1019, 1978400), (2038, 989200), (2473, 815200), (4076, 494600), (4946, 407600), (5095, 395680), (8152, 247300), (9892, 203800), (10190, 197840), (12365, 163040), (16304, 123650), (19784, 101900), (20380, 98920), (24730, 81520), (25475, 79136), (32608, 61825), (39568, 50950), (40760, 49460)]