659809669520

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1\times {\mathrm{263983}}^1$

素因数の和:264352

約数の個数: 80

約数和(自身を含む): 1551592358400

約数和(自身を除く): 891782688880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 199, 314, 398, 628, 785, 796, 995, 1256, 1570, 1592, 1990, 2512, 3140, 3184, 3980, 6280, 7960, 12560, 15920, 31243, 62486, 124972, 156215, 249944, 263983, 312430, 499888, 527966, 624860, 1055932, 1249720, 1319915, 2111864, 2499440, 2639830, 4223728, 5279660, 10559320, 21118640, 41445331, 52532617, 82890662, 105065234, 165781324, 207226655, 210130468, 262663085, 331562648, 414453310, 420260936, 525326170, 663125296, 828906620, 840521872, 1050652340, 1657813240, 2101304680, 3315626480, 4202609360, 8247620869, 16495241738, 32990483476, 41238104345, 65980966952, 82476208690, 131961933904, 164952417380, 329904834760, 659809669520]

約数ペア:

[(1, 659809669520), (2, 329904834760), (4, 164952417380), (5, 131961933904), (8, 82476208690), (10, 65980966952), (16, 41238104345), (20, 32990483476), (40, 16495241738), (80, 8247620869), (157, 4202609360), (199, 3315626480), (314, 2101304680), (398, 1657813240), (628, 1050652340), (785, 840521872), (796, 828906620), (995, 663125296), (1256, 525326170), (1570, 420260936), (1592, 414453310), (1990, 331562648), (2512, 262663085), (3140, 210130468), (3184, 207226655), (3980, 165781324), (6280, 105065234), (7960, 82890662), (12560, 52532617), (15920, 41445331), (31243, 21118640), (62486, 10559320), (124972, 5279660), (156215, 4223728), (249944, 2639830), (263983, 2499440), (312430, 2111864), (499888, 1319915), (527966, 1249720), (624860, 1055932)]