31998080

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^2\times {\mathrm{173}}^1$

素因数の和:226

約数の個数: 96

約数和(自身を含む): 81729540

約数和(自身を除く): 49731460

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 173, 272, 289, 320, 340, 346, 544, 578, 640, 680, 692, 865, 1088, 1156, 1360, 1384, 1445, 1730, 2176, 2312, 2720, 2768, 2890, 2941, 3460, 4624, 5440, 5536, 5780, 5882, 6920, 9248, 10880, 11072, 11560, 11764, 13840, 14705, 18496, 22144, 23120, 23528, 27680, 29410, 36992, 46240, 47056, 49997, 55360, 58820, 92480, 94112, 99994, 110720, 117640, 184960, 188224, 199988, 235280, 249985, 376448, 399976, 470560, 499970, 799952, 941120, 999940, 1599904, 1882240, 1999880, 3199808, 3999760, 6399616, 7999520, 15999040, 31998080]

約数ペア:

[(1, 31998080), (2, 15999040), (4, 7999520), (5, 6399616), (8, 3999760), (10, 3199808), (16, 1999880), (17, 1882240), (20, 1599904), (32, 999940), (34, 941120), (40, 799952), (64, 499970), (68, 470560), (80, 399976), (85, 376448), (128, 249985), (136, 235280), (160, 199988), (170, 188224), (173, 184960), (272, 117640), (289, 110720), (320, 99994), (340, 94112), (346, 92480), (544, 58820), (578, 55360), (640, 49997), (680, 47056), (692, 46240), (865, 36992), (1088, 29410), (1156, 27680), (1360, 23528), (1384, 23120), (1445, 22144), (1730, 18496), (2176, 14705), (2312, 13840), (2720, 11764), (2768, 11560), (2890, 11072), (2941, 10880), (3460, 9248), (4624, 6920), (5440, 5882), (5536, 5780)]