31948120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{331}}^1$

素因数の和:488

約数の個数: 64

約数和(自身を含む): 76492800

約数和(自身を除く): 44544680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 127, 152, 190, 254, 331, 380, 508, 635, 662, 760, 1016, 1270, 1324, 1655, 2413, 2540, 2648, 3310, 4826, 5080, 6289, 6620, 9652, 12065, 12578, 13240, 19304, 24130, 25156, 31445, 42037, 48260, 50312, 62890, 84074, 96520, 125780, 168148, 210185, 251560, 336296, 420370, 798703, 840740, 1597406, 1681480, 3194812, 3993515, 6389624, 7987030, 15974060, 31948120]

約数ペア:

[(1, 31948120), (2, 15974060), (4, 7987030), (5, 6389624), (8, 3993515), (10, 3194812), (19, 1681480), (20, 1597406), (38, 840740), (40, 798703), (76, 420370), (95, 336296), (127, 251560), (152, 210185), (190, 168148), (254, 125780), (331, 96520), (380, 84074), (508, 62890), (635, 50312), (662, 48260), (760, 42037), (1016, 31445), (1270, 25156), (1324, 24130), (1655, 19304), (2413, 13240), (2540, 12578), (2648, 12065), (3310, 9652), (4826, 6620), (5080, 6289)]