39991600

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:239

約数の個数: 120

約数和(自身を含む): 107247600

約数和(自身を除く): 67256000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 61, 80, 88, 100, 110, 122, 149, 176, 200, 220, 244, 275, 298, 305, 400, 440, 488, 550, 596, 610, 671, 745, 880, 976, 1100, 1192, 1220, 1342, 1490, 1525, 1639, 2200, 2384, 2440, 2684, 2980, 3050, 3278, 3355, 3725, 4400, 4880, 5368, 5960, 6100, 6556, 6710, 7450, 8195, 9089, 10736, 11920, 12200, 13112, 13420, 14900, 16390, 16775, 18178, 24400, 26224, 26840, 29800, 32780, 33550, 36356, 40975, 45445, 53680, 59600, 65560, 67100, 72712, 81950, 90890, 99979, 131120, 134200, 145424, 163900, 181780, 199958, 227225, 268400, 327800, 363560, 399916, 454450, 499895, 655600, 727120, 799832, 908900, 999790, 1599664, 1817800, 1999580, 2499475, 3635600, 3999160, 4998950, 7998320, 9997900, 19995800, 39991600]

約数ペア:

[(1, 39991600), (2, 19995800), (4, 9997900), (5, 7998320), (8, 4998950), (10, 3999160), (11, 3635600), (16, 2499475), (20, 1999580), (22, 1817800), (25, 1599664), (40, 999790), (44, 908900), (50, 799832), (55, 727120), (61, 655600), (80, 499895), (88, 454450), (100, 399916), (110, 363560), (122, 327800), (149, 268400), (176, 227225), (200, 199958), (220, 181780), (244, 163900), (275, 145424), (298, 134200), (305, 131120), (400, 99979), (440, 90890), (488, 81950), (550, 72712), (596, 67100), (610, 65560), (671, 59600), (745, 53680), (880, 45445), (976, 40975), (1100, 36356), (1192, 33550), (1220, 32780), (1342, 29800), (1490, 26840), (1525, 26224), (1639, 24400), (2200, 18178), (2384, 16775), (2440, 16390), (2684, 14900), (2980, 13420), (3050, 13112), (3278, 12200), (3355, 11920), (3725, 10736), (4400, 9089), (4880, 8195), (5368, 7450), (5960, 6710), (6100, 6556)]