204520160

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{98327}}^1$

素因数の和:98355

約数の個数: 48

約数和(自身を含む): 520351776

約数和(自身を除く): 315831616

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 98327, 196654, 393308, 491635, 786616, 983270, 1278251, 1573232, 1966540, 2556502, 3146464, 3933080, 5113004, 6391255, 7866160, 10226008, 12782510, 15732320, 20452016, 25565020, 40904032, 51130040, 102260080, 204520160]

約数ペア:

[(1, 204520160), (2, 102260080), (4, 51130040), (5, 40904032), (8, 25565020), (10, 20452016), (13, 15732320), (16, 12782510), (20, 10226008), (26, 7866160), (32, 6391255), (40, 5113004), (52, 3933080), (65, 3146464), (80, 2556502), (104, 1966540), (130, 1573232), (160, 1278251), (208, 983270), (260, 786616), (416, 491635), (520, 393308), (1040, 196654), (2080, 98327)]