17926840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{643}}^1$

素因数の和:712

約数の個数: 64

約数和(自身を含む): 43817760

約数和(自身を除く): 25890920

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 41, 68, 82, 85, 136, 164, 170, 205, 328, 340, 410, 643, 680, 697, 820, 1286, 1394, 1640, 2572, 2788, 3215, 3485, 5144, 5576, 6430, 6970, 10931, 12860, 13940, 21862, 25720, 26363, 27880, 43724, 52726, 54655, 87448, 105452, 109310, 131815, 210904, 218620, 263630, 437240, 448171, 527260, 896342, 1054520, 1792684, 2240855, 3585368, 4481710, 8963420, 17926840]

約数ペア:

[(1, 17926840), (2, 8963420), (4, 4481710), (5, 3585368), (8, 2240855), (10, 1792684), (17, 1054520), (20, 896342), (34, 527260), (40, 448171), (41, 437240), (68, 263630), (82, 218620), (85, 210904), (136, 131815), (164, 109310), (170, 105452), (205, 87448), (328, 54655), (340, 52726), (410, 43724), (643, 27880), (680, 26363), (697, 25720), (820, 21862), (1286, 13940), (1394, 12860), (1640, 10931), (2572, 6970), (2788, 6430), (3215, 5576), (3485, 5144)]