201001160

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{431}}^1$

素因数の和:662

約数の個数: 64

約数和(自身を含む): 461894400

約数和(自身を除く): 260893240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 131, 178, 262, 356, 431, 445, 524, 655, 712, 862, 890, 1048, 1310, 1724, 1780, 2155, 2620, 3448, 3560, 4310, 5240, 8620, 11659, 17240, 23318, 38359, 46636, 56461, 58295, 76718, 93272, 112922, 116590, 153436, 191795, 225844, 233180, 282305, 306872, 383590, 451688, 466360, 564610, 767180, 1129220, 1534360, 2258440, 5025029, 10050058, 20100116, 25125145, 40200232, 50250290, 100500580, 201001160]

約数ペア:

[(1, 201001160), (2, 100500580), (4, 50250290), (5, 40200232), (8, 25125145), (10, 20100116), (20, 10050058), (40, 5025029), (89, 2258440), (131, 1534360), (178, 1129220), (262, 767180), (356, 564610), (431, 466360), (445, 451688), (524, 383590), (655, 306872), (712, 282305), (862, 233180), (890, 225844), (1048, 191795), (1310, 153436), (1724, 116590), (1780, 112922), (2155, 93272), (2620, 76718), (3448, 58295), (3560, 56461), (4310, 46636), (5240, 38359), (8620, 23318), (11659, 17240)]