25820520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{631}}^1$

素因数の和:687

約数の個数: 128

約数和(自身を含む): 87367680

約数和(自身を除く): 61547160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 31, 33, 40, 44, 55, 60, 62, 66, 88, 93, 110, 120, 124, 132, 155, 165, 186, 220, 248, 264, 310, 330, 341, 372, 440, 465, 620, 631, 660, 682, 744, 930, 1023, 1240, 1262, 1320, 1364, 1705, 1860, 1893, 2046, 2524, 2728, 3155, 3410, 3720, 3786, 4092, 5048, 5115, 6310, 6820, 6941, 7572, 8184, 9465, 10230, 12620, 13640, 13882, 15144, 18930, 19561, 20460, 20823, 25240, 27764, 34705, 37860, 39122, 40920, 41646, 55528, 58683, 69410, 75720, 78244, 83292, 97805, 104115, 117366, 138820, 156488, 166584, 195610, 208230, 215171, 234732, 277640, 293415, 391220, 416460, 430342, 469464, 586830, 645513, 782440, 832920, 860684, 1075855, 1173660, 1291026, 1721368, 2151710, 2347320, 2582052, 3227565, 4303420, 5164104, 6455130, 8606840, 12910260, 25820520]

約数ペア:

[(1, 25820520), (2, 12910260), (3, 8606840), (4, 6455130), (5, 5164104), (6, 4303420), (8, 3227565), (10, 2582052), (11, 2347320), (12, 2151710), (15, 1721368), (20, 1291026), (22, 1173660), (24, 1075855), (30, 860684), (31, 832920), (33, 782440), (40, 645513), (44, 586830), (55, 469464), (60, 430342), (62, 416460), (66, 391220), (88, 293415), (93, 277640), (110, 234732), (120, 215171), (124, 208230), (132, 195610), (155, 166584), (165, 156488), (186, 138820), (220, 117366), (248, 104115), (264, 97805), (310, 83292), (330, 78244), (341, 75720), (372, 69410), (440, 58683), (465, 55528), (620, 41646), (631, 40920), (660, 39122), (682, 37860), (744, 34705), (930, 27764), (1023, 25240), (1240, 20823), (1262, 20460), (1320, 19561), (1364, 18930), (1705, 15144), (1860, 13882), (1893, 13640), (2046, 12620), (2524, 10230), (2728, 9465), (3155, 8184), (3410, 7572), (3720, 6941), (3786, 6820), (4092, 6310), (5048, 5115)]