39997600

素因数分解:

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

素因数の和:227

約数の個数: 108

約数和(自身を含む): 104325354

約数和(自身を除く): 64327754

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 68, 80, 85, 100, 136, 160, 170, 173, 200, 272, 289, 340, 346, 400, 425, 544, 578, 680, 692, 800, 850, 865, 1156, 1360, 1384, 1445, 1700, 1730, 2312, 2720, 2768, 2890, 2941, 3400, 3460, 4325, 4624, 5536, 5780, 5882, 6800, 6920, 7225, 8650, 9248, 11560, 11764, 13600, 13840, 14450, 14705, 17300, 23120, 23528, 27680, 28900, 29410, 34600, 46240, 47056, 49997, 57800, 58820, 69200, 73525, 94112, 99994, 115600, 117640, 138400, 147050, 199988, 231200, 235280, 249985, 294100, 399976, 470560, 499970, 588200, 799952, 999940, 1176400, 1249925, 1599904, 1999880, 2352800, 2499850, 3999760, 4999700, 7999520, 9999400, 19998800, 39997600]

約数ペア:

[(1, 39997600), (2, 19998800), (4, 9999400), (5, 7999520), (8, 4999700), (10, 3999760), (16, 2499850), (17, 2352800), (20, 1999880), (25, 1599904), (32, 1249925), (34, 1176400), (40, 999940), (50, 799952), (68, 588200), (80, 499970), (85, 470560), (100, 399976), (136, 294100), (160, 249985), (170, 235280), (173, 231200), (200, 199988), (272, 147050), (289, 138400), (340, 117640), (346, 115600), (400, 99994), (425, 94112), (544, 73525), (578, 69200), (680, 58820), (692, 57800), (800, 49997), (850, 47056), (865, 46240), (1156, 34600), (1360, 29410), (1384, 28900), (1445, 27680), (1700, 23528), (1730, 23120), (2312, 17300), (2720, 14705), (2768, 14450), (2890, 13840), (2941, 13600), (3400, 11764), (3460, 11560), (4325, 9248), (4624, 8650), (5536, 7225), (5780, 6920), (5882, 6800)]