201240520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{2237}}^1$

素因数の和:2434

約数の個数: 64

約数和(自身を含む): 490659120

約数和(自身を除く): 289418600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 173, 260, 346, 520, 692, 865, 1384, 1730, 2237, 2249, 3460, 4474, 4498, 6920, 8948, 8996, 11185, 11245, 17896, 17992, 22370, 22490, 29081, 44740, 44980, 58162, 89480, 89960, 116324, 145405, 232648, 290810, 387001, 581620, 774002, 1163240, 1548004, 1935005, 3096008, 3870010, 5031013, 7740020, 10062026, 15480040, 20124052, 25155065, 40248104, 50310130, 100620260, 201240520]

約数ペア:

[(1, 201240520), (2, 100620260), (4, 50310130), (5, 40248104), (8, 25155065), (10, 20124052), (13, 15480040), (20, 10062026), (26, 7740020), (40, 5031013), (52, 3870010), (65, 3096008), (104, 1935005), (130, 1548004), (173, 1163240), (260, 774002), (346, 581620), (520, 387001), (692, 290810), (865, 232648), (1384, 145405), (1730, 116324), (2237, 89960), (2249, 89480), (3460, 58162), (4474, 44980), (4498, 44740), (6920, 29081), (8948, 22490), (8996, 22370), (11185, 17992), (11245, 17896)]