201225280

素因数分解:

$2^6\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1459}}^1$

素因数の和:1907

約数の個数: 56

約数和(自身を含む): 480608640

約数和(自身を除く): 279383360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 431, 862, 1459, 1724, 2155, 2918, 3448, 4310, 5836, 6896, 7295, 8620, 11672, 13792, 14590, 17240, 23344, 27584, 29180, 34480, 46688, 58360, 68960, 93376, 116720, 137920, 233440, 466880, 628829, 1257658, 2515316, 3144145, 5030632, 6288290, 10061264, 12576580, 20122528, 25153160, 40245056, 50306320, 100612640, 201225280]

約数ペア:

[(1, 201225280), (2, 100612640), (4, 50306320), (5, 40245056), (8, 25153160), (10, 20122528), (16, 12576580), (20, 10061264), (32, 6288290), (40, 5030632), (64, 3144145), (80, 2515316), (160, 1257658), (320, 628829), (431, 466880), (862, 233440), (1459, 137920), (1724, 116720), (2155, 93376), (2918, 68960), (3448, 58360), (4310, 46688), (5836, 34480), (6896, 29180), (7295, 27584), (8620, 23344), (11672, 17240), (13792, 14590)]