201612580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{18913}}^1$

素因数の和:18976

約数の個数: 48

約数和(自身を含む): 467100144

約数和(自身を除く): 265487564

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 2132, 2665, 5330, 10660, 18913, 37826, 75652, 94565, 189130, 245869, 378260, 491738, 775433, 983476, 1229345, 1550866, 2458690, 3101732, 3877165, 4917380, 7754330, 10080629, 15508660, 20161258, 40322516, 50403145, 100806290, 201612580]

約数ペア:

[(1, 201612580), (2, 100806290), (4, 50403145), (5, 40322516), (10, 20161258), (13, 15508660), (20, 10080629), (26, 7754330), (41, 4917380), (52, 3877165), (65, 3101732), (82, 2458690), (130, 1550866), (164, 1229345), (205, 983476), (260, 775433), (410, 491738), (533, 378260), (820, 245869), (1066, 189130), (2132, 94565), (2665, 75652), (5330, 37826), (10660, 18913)]