25821840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{9781}}^1$

素因数の和:9808

約数の個数: 80

約数和(自身を含む): 87333696

約数和(自身を除く): 61511856

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 9781, 19562, 29343, 39124, 48905, 58686, 78248, 97810, 107591, 117372, 146715, 156496, 195620, 215182, 234744, 293430, 322773, 391240, 430364, 469488, 537955, 586860, 645546, 782480, 860728, 1075910, 1173720, 1291092, 1613865, 1721456, 2151820, 2347440, 2582184, 3227730, 4303640, 5164368, 6455460, 8607280, 12910920, 25821840]

約数ペア:

[(1, 25821840), (2, 12910920), (3, 8607280), (4, 6455460), (5, 5164368), (6, 4303640), (8, 3227730), (10, 2582184), (11, 2347440), (12, 2151820), (15, 1721456), (16, 1613865), (20, 1291092), (22, 1173720), (24, 1075910), (30, 860728), (33, 782480), (40, 645546), (44, 586860), (48, 537955), (55, 469488), (60, 430364), (66, 391240), (80, 322773), (88, 293430), (110, 234744), (120, 215182), (132, 195620), (165, 156496), (176, 146715), (220, 117372), (240, 107591), (264, 97810), (330, 78248), (440, 58686), (528, 48905), (660, 39124), (880, 29343), (1320, 19562), (2640, 9781)]