16493240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{283}}^1$

素因数の和:372

約数の個数: 64

約数和(自身を含む): 39260160

約数和(自身を除く): 22766920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 47, 62, 94, 124, 155, 188, 235, 248, 283, 310, 376, 470, 566, 620, 940, 1132, 1240, 1415, 1457, 1880, 2264, 2830, 2914, 5660, 5828, 7285, 8773, 11320, 11656, 13301, 14570, 17546, 26602, 29140, 35092, 43865, 53204, 58280, 66505, 70184, 87730, 106408, 133010, 175460, 266020, 350920, 412331, 532040, 824662, 1649324, 2061655, 3298648, 4123310, 8246620, 16493240]

約数ペア:

[(1, 16493240), (2, 8246620), (4, 4123310), (5, 3298648), (8, 2061655), (10, 1649324), (20, 824662), (31, 532040), (40, 412331), (47, 350920), (62, 266020), (94, 175460), (124, 133010), (155, 106408), (188, 87730), (235, 70184), (248, 66505), (283, 58280), (310, 53204), (376, 43865), (470, 35092), (566, 29140), (620, 26602), (940, 17546), (1132, 14570), (1240, 13301), (1415, 11656), (1457, 11320), (1880, 8773), (2264, 7285), (2830, 5828), (2914, 5660)]