79968460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{27961}}^1$

素因数の和:27994

約数の個数: 48

約数和(自身を含む): 197299872

約数和(自身を除く): 117331412

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 27961, 55922, 111844, 139805, 279610, 307571, 363493, 559220, 615142, 726986, 1230284, 1453972, 1537855, 1817465, 3075710, 3634930, 3998423, 6151420, 7269860, 7996846, 15993692, 19992115, 39984230, 79968460]

約数ペア:

[(1, 79968460), (2, 39984230), (4, 19992115), (5, 15993692), (10, 7996846), (11, 7269860), (13, 6151420), (20, 3998423), (22, 3634930), (26, 3075710), (44, 1817465), (52, 1537855), (55, 1453972), (65, 1230284), (110, 726986), (130, 615142), (143, 559220), (220, 363493), (260, 307571), (286, 279610), (572, 139805), (715, 111844), (1430, 55922), (2860, 27961)]