2519975120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{78163}}^1$

素因数の和:78220

約数の個数: 80

約数和(自身を含む): 6513249792

約数和(自身を除く): 3993274672

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 6448, 8060, 16120, 32240, 78163, 156326, 312652, 390815, 625304, 781630, 1016119, 1250608, 1563260, 2032238, 2423053, 3126520, 4064476, 4846106, 5080595, 6253040, 8128952, 9692212, 10161190, 12115265, 16257904, 19384424, 20322380, 24230530, 31499689, 38768848, 40644760, 48461060, 62999378, 81289520, 96922120, 125998756, 157498445, 193844240, 251997512, 314996890, 503995024, 629993780, 1259987560, 2519975120]

約数ペア:

[(1, 2519975120), (2, 1259987560), (4, 629993780), (5, 503995024), (8, 314996890), (10, 251997512), (13, 193844240), (16, 157498445), (20, 125998756), (26, 96922120), (31, 81289520), (40, 62999378), (52, 48461060), (62, 40644760), (65, 38768848), (80, 31499689), (104, 24230530), (124, 20322380), (130, 19384424), (155, 16257904), (208, 12115265), (248, 10161190), (260, 9692212), (310, 8128952), (403, 6253040), (496, 5080595), (520, 4846106), (620, 4064476), (806, 3126520), (1040, 2423053), (1240, 2032238), (1612, 1563260), (2015, 1250608), (2480, 1016119), (3224, 781630), (4030, 625304), (6448, 390815), (8060, 312652), (16120, 156326), (32240, 78163)]