28967804920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1861}}^1\times {\mathrm{12553}}^1$

素因数の和:14456

約数の個数: 64

約数和(自身を含む): 67321578240

約数和(自身を除く): 38353773320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 1861, 3722, 7444, 9305, 12553, 14888, 18610, 25106, 37220, 50212, 57691, 62765, 74440, 100424, 115382, 125530, 230764, 251060, 288455, 389143, 461528, 502120, 576910, 778286, 1153820, 1556572, 1945715, 2307640, 3113144, 3891430, 7782860, 15565720, 23361133, 46722266, 93444532, 116805665, 186889064, 233611330, 467222660, 724195123, 934445320, 1448390246, 2896780492, 3620975615, 5793560984, 7241951230, 14483902460, 28967804920]

約数ペア:

[(1, 28967804920), (2, 14483902460), (4, 7241951230), (5, 5793560984), (8, 3620975615), (10, 2896780492), (20, 1448390246), (31, 934445320), (40, 724195123), (62, 467222660), (124, 233611330), (155, 186889064), (248, 116805665), (310, 93444532), (620, 46722266), (1240, 23361133), (1861, 15565720), (3722, 7782860), (7444, 3891430), (9305, 3113144), (12553, 2307640), (14888, 1945715), (18610, 1556572), (25106, 1153820), (37220, 778286), (50212, 576910), (57691, 502120), (62765, 461528), (74440, 389143), (100424, 288455), (115382, 251060), (125530, 230764)]