5130500

素因数分解:

$2^2\times 5^3\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:381

約数の個数: 48

約数和(自身を含む): 11601408

約数和(自身を除く): 6470908

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 125, 155, 250, 310, 331, 500, 620, 662, 775, 1324, 1550, 1655, 3100, 3310, 3875, 6620, 7750, 8275, 10261, 15500, 16550, 20522, 33100, 41044, 41375, 51305, 82750, 102610, 165500, 205220, 256525, 513050, 1026100, 1282625, 2565250, 5130500]

約数ペア:

[(1, 5130500), (2, 2565250), (4, 1282625), (5, 1026100), (10, 513050), (20, 256525), (25, 205220), (31, 165500), (50, 102610), (62, 82750), (100, 51305), (124, 41375), (125, 41044), (155, 33100), (250, 20522), (310, 16550), (331, 15500), (500, 10261), (620, 8275), (662, 7750), (775, 6620), (1324, 3875), (1550, 3310), (1655, 3100)]