12970400

素因数分解:

$2^5\times 5^2\times {\mathrm{31}}^1\times {\mathrm{523}}^1$

素因数の和:574

約数の個数: 72

約数和(自身を含む): 32747904

約数和(自身を除く): 19777504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 80, 100, 124, 155, 160, 200, 248, 310, 400, 496, 523, 620, 775, 800, 992, 1046, 1240, 1550, 2092, 2480, 2615, 3100, 4184, 4960, 5230, 6200, 8368, 10460, 12400, 13075, 16213, 16736, 20920, 24800, 26150, 32426, 41840, 52300, 64852, 81065, 83680, 104600, 129704, 162130, 209200, 259408, 324260, 405325, 418400, 518816, 648520, 810650, 1297040, 1621300, 2594080, 3242600, 6485200, 12970400]

約数ペア:

[(1, 12970400), (2, 6485200), (4, 3242600), (5, 2594080), (8, 1621300), (10, 1297040), (16, 810650), (20, 648520), (25, 518816), (31, 418400), (32, 405325), (40, 324260), (50, 259408), (62, 209200), (80, 162130), (100, 129704), (124, 104600), (155, 83680), (160, 81065), (200, 64852), (248, 52300), (310, 41840), (400, 32426), (496, 26150), (523, 24800), (620, 20920), (775, 16736), (800, 16213), (992, 13075), (1046, 12400), (1240, 10460), (1550, 8368), (2092, 6200), (2480, 5230), (2615, 4960), (3100, 4184)]