56173780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:289

約数の個数: 96

約数和(自身を含む): 137168640

約数和(自身を除く): 80994860

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 71, 85, 130, 142, 170, 179, 221, 260, 284, 340, 355, 358, 442, 710, 716, 884, 895, 923, 1105, 1207, 1420, 1790, 1846, 2210, 2327, 2414, 3043, 3580, 3692, 4420, 4615, 4654, 4828, 6035, 6086, 9230, 9308, 11635, 12070, 12172, 12709, 15215, 15691, 18460, 23270, 24140, 25418, 30430, 31382, 39559, 46540, 50836, 60860, 62764, 63545, 78455, 79118, 127090, 156910, 158236, 165217, 197795, 216053, 254180, 313820, 330434, 395590, 432106, 660868, 791180, 826085, 864212, 1080265, 1652170, 2160530, 2808689, 3304340, 4321060, 5617378, 11234756, 14043445, 28086890, 56173780]

約数ペア:

[(1, 56173780), (2, 28086890), (4, 14043445), (5, 11234756), (10, 5617378), (13, 4321060), (17, 3304340), (20, 2808689), (26, 2160530), (34, 1652170), (52, 1080265), (65, 864212), (68, 826085), (71, 791180), (85, 660868), (130, 432106), (142, 395590), (170, 330434), (179, 313820), (221, 254180), (260, 216053), (284, 197795), (340, 165217), (355, 158236), (358, 156910), (442, 127090), (710, 79118), (716, 78455), (884, 63545), (895, 62764), (923, 60860), (1105, 50836), (1207, 46540), (1420, 39559), (1790, 31382), (1846, 30430), (2210, 25418), (2327, 24140), (2414, 23270), (3043, 18460), (3580, 15691), (3692, 15215), (4420, 12709), (4615, 12172), (4654, 12070), (4828, 11635), (6035, 9308), (6086, 9230)]