82523240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1091}}^1$

素因数の和:1194

約数の個数: 64

約数和(自身を含む): 194987520

約数和(自身を除く): 112464280

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 61, 62, 122, 124, 155, 244, 248, 305, 310, 488, 610, 620, 1091, 1220, 1240, 1891, 2182, 2440, 3782, 4364, 5455, 7564, 8728, 9455, 10910, 15128, 18910, 21820, 33821, 37820, 43640, 66551, 67642, 75640, 133102, 135284, 169105, 266204, 270568, 332755, 338210, 532408, 665510, 676420, 1331020, 1352840, 2063081, 2662040, 4126162, 8252324, 10315405, 16504648, 20630810, 41261620, 82523240]

約数ペア:

[(1, 82523240), (2, 41261620), (4, 20630810), (5, 16504648), (8, 10315405), (10, 8252324), (20, 4126162), (31, 2662040), (40, 2063081), (61, 1352840), (62, 1331020), (122, 676420), (124, 665510), (155, 532408), (244, 338210), (248, 332755), (305, 270568), (310, 266204), (488, 169105), (610, 135284), (620, 133102), (1091, 75640), (1220, 67642), (1240, 66551), (1891, 43640), (2182, 37820), (2440, 33821), (3782, 21820), (4364, 18910), (5455, 15128), (7564, 10910), (8728, 9455)]