25720080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3457}}^1$

素因数の和:3504

約数の個数: 80

約数和(自身を含む): 82328064

約数和(自身を除く): 56607984

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3457, 3720, 6914, 7440, 10371, 13828, 17285, 20742, 27656, 34570, 41484, 51855, 55312, 69140, 82968, 103710, 107167, 138280, 165936, 207420, 214334, 276560, 321501, 414840, 428668, 535835, 643002, 829680, 857336, 1071670, 1286004, 1607505, 1714672, 2143340, 2572008, 3215010, 4286680, 5144016, 6430020, 8573360, 12860040, 25720080]

約数ペア:

[(1, 25720080), (2, 12860040), (3, 8573360), (4, 6430020), (5, 5144016), (6, 4286680), (8, 3215010), (10, 2572008), (12, 2143340), (15, 1714672), (16, 1607505), (20, 1286004), (24, 1071670), (30, 857336), (31, 829680), (40, 643002), (48, 535835), (60, 428668), (62, 414840), (80, 321501), (93, 276560), (120, 214334), (124, 207420), (155, 165936), (186, 138280), (240, 107167), (248, 103710), (310, 82968), (372, 69140), (465, 55312), (496, 51855), (620, 41484), (744, 34570), (930, 27656), (1240, 20742), (1488, 17285), (1860, 13828), (2480, 10371), (3457, 7440), (3720, 6914)]