20147873440

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1009}}^1\times {\mathrm{3373}}^1$

素因数の和:4434

約数の個数: 96

約数和(自身を含む): 48948777360

約数和(自身を除く): 28800903920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 74, 80, 148, 160, 185, 296, 370, 592, 740, 1009, 1184, 1480, 2018, 2960, 3373, 4036, 5045, 5920, 6746, 8072, 10090, 13492, 16144, 16865, 20180, 26984, 32288, 33730, 37333, 40360, 53968, 67460, 74666, 80720, 107936, 124801, 134920, 149332, 161440, 186665, 249602, 269840, 298664, 373330, 499204, 539680, 597328, 624005, 746660, 998408, 1194656, 1248010, 1493320, 1996816, 2496020, 2986640, 3403357, 3993632, 4992040, 5973280, 6806714, 9984080, 13613428, 17016785, 19968160, 27226856, 34033570, 54453712, 68067140, 108907424, 125924209, 136134280, 251848418, 272268560, 503696836, 544537120, 629621045, 1007393672, 1259242090, 2014787344, 2518484180, 4029574688, 5036968360, 10073936720, 20147873440]

約数ペア:

[(1, 20147873440), (2, 10073936720), (4, 5036968360), (5, 4029574688), (8, 2518484180), (10, 2014787344), (16, 1259242090), (20, 1007393672), (32, 629621045), (37, 544537120), (40, 503696836), (74, 272268560), (80, 251848418), (148, 136134280), (160, 125924209), (185, 108907424), (296, 68067140), (370, 54453712), (592, 34033570), (740, 27226856), (1009, 19968160), (1184, 17016785), (1480, 13613428), (2018, 9984080), (2960, 6806714), (3373, 5973280), (4036, 4992040), (5045, 3993632), (5920, 3403357), (6746, 2986640), (8072, 2496020), (10090, 1996816), (13492, 1493320), (16144, 1248010), (16865, 1194656), (20180, 998408), (26984, 746660), (32288, 624005), (33730, 597328), (37333, 539680), (40360, 499204), (53968, 373330), (67460, 298664), (74666, 269840), (80720, 249602), (107936, 186665), (124801, 161440), (134920, 149332)]