31989920

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{619}}^1$

素因数の和:670

約数の個数: 96

約数和(自身を含む): 84369600

約数和(自身を除く): 52379680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 160, 170, 190, 272, 304, 323, 340, 380, 544, 608, 619, 646, 680, 760, 1238, 1292, 1360, 1520, 1615, 2476, 2584, 2720, 3040, 3095, 3230, 4952, 5168, 6190, 6460, 9904, 10336, 10523, 11761, 12380, 12920, 19808, 21046, 23522, 24760, 25840, 42092, 47044, 49520, 51680, 52615, 58805, 84184, 94088, 99040, 105230, 117610, 168368, 188176, 199937, 210460, 235220, 336736, 376352, 399874, 420920, 470440, 799748, 841840, 940880, 999685, 1599496, 1683680, 1881760, 1999370, 3198992, 3998740, 6397984, 7997480, 15994960, 31989920]

約数ペア:

[(1, 31989920), (2, 15994960), (4, 7997480), (5, 6397984), (8, 3998740), (10, 3198992), (16, 1999370), (17, 1881760), (19, 1683680), (20, 1599496), (32, 999685), (34, 940880), (38, 841840), (40, 799748), (68, 470440), (76, 420920), (80, 399874), (85, 376352), (95, 336736), (136, 235220), (152, 210460), (160, 199937), (170, 188176), (190, 168368), (272, 117610), (304, 105230), (323, 99040), (340, 94088), (380, 84184), (544, 58805), (608, 52615), (619, 51680), (646, 49520), (680, 47044), (760, 42092), (1238, 25840), (1292, 24760), (1360, 23522), (1520, 21046), (1615, 19808), (2476, 12920), (2584, 12380), (2720, 11761), (3040, 10523), (3095, 10336), (3230, 9904), (4952, 6460), (5168, 6190)]