4481360

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:196

約数の個数: 80

約数和(自身を含む): 11665920

約数和(自身を除く): 7184560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 139, 155, 208, 248, 260, 278, 310, 403, 496, 520, 556, 620, 695, 806, 1040, 1112, 1240, 1390, 1612, 1807, 2015, 2224, 2480, 2780, 3224, 3614, 4030, 4309, 5560, 6448, 7228, 8060, 8618, 9035, 11120, 14456, 16120, 17236, 18070, 21545, 28912, 32240, 34472, 36140, 43090, 56017, 68944, 72280, 86180, 112034, 144560, 172360, 224068, 280085, 344720, 448136, 560170, 896272, 1120340, 2240680, 4481360]

約数ペア:

[(1, 4481360), (2, 2240680), (4, 1120340), (5, 896272), (8, 560170), (10, 448136), (13, 344720), (16, 280085), (20, 224068), (26, 172360), (31, 144560), (40, 112034), (52, 86180), (62, 72280), (65, 68944), (80, 56017), (104, 43090), (124, 36140), (130, 34472), (139, 32240), (155, 28912), (208, 21545), (248, 18070), (260, 17236), (278, 16120), (310, 14456), (403, 11120), (496, 9035), (520, 8618), (556, 8060), (620, 7228), (695, 6448), (806, 5560), (1040, 4309), (1112, 4030), (1240, 3614), (1390, 3224), (1612, 2780), (1807, 2480), (2015, 2224)]