201251440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{11383}}^1$

素因数の和:11426

約数の個数: 80

約数和(自身を含む): 533590848

約数和(自身を除く): 332339408

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 170, 208, 221, 260, 272, 340, 442, 520, 680, 884, 1040, 1105, 1360, 1768, 2210, 3536, 4420, 8840, 11383, 17680, 22766, 45532, 56915, 91064, 113830, 147979, 182128, 193511, 227660, 295958, 387022, 455320, 591916, 739895, 774044, 910640, 967555, 1183832, 1479790, 1548088, 1935110, 2367664, 2515643, 2959580, 3096176, 3870220, 5031286, 5919160, 7740440, 10062572, 11838320, 12578215, 15480880, 20125144, 25156430, 40250288, 50312860, 100625720, 201251440]

約数ペア:

[(1, 201251440), (2, 100625720), (4, 50312860), (5, 40250288), (8, 25156430), (10, 20125144), (13, 15480880), (16, 12578215), (17, 11838320), (20, 10062572), (26, 7740440), (34, 5919160), (40, 5031286), (52, 3870220), (65, 3096176), (68, 2959580), (80, 2515643), (85, 2367664), (104, 1935110), (130, 1548088), (136, 1479790), (170, 1183832), (208, 967555), (221, 910640), (260, 774044), (272, 739895), (340, 591916), (442, 455320), (520, 387022), (680, 295958), (884, 227660), (1040, 193511), (1105, 182128), (1360, 147979), (1768, 113830), (2210, 91064), (3536, 56915), (4420, 45532), (8840, 22766), (11383, 17680)]