47811920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1483}}^1$

素因数の和:1540

約数の個数: 80

約数和(自身を含む): 123658752

約数和(自身を除く): 75846832

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1483, 1612, 2015, 2480, 2966, 3224, 4030, 5932, 6448, 7415, 8060, 11864, 14830, 16120, 19279, 23728, 29660, 32240, 38558, 45973, 59320, 77116, 91946, 96395, 118640, 154232, 183892, 192790, 229865, 308464, 367784, 385580, 459730, 597649, 735568, 771160, 919460, 1195298, 1542320, 1838920, 2390596, 2988245, 3677840, 4781192, 5976490, 9562384, 11952980, 23905960, 47811920]

約数ペア:

[(1, 47811920), (2, 23905960), (4, 11952980), (5, 9562384), (8, 5976490), (10, 4781192), (13, 3677840), (16, 2988245), (20, 2390596), (26, 1838920), (31, 1542320), (40, 1195298), (52, 919460), (62, 771160), (65, 735568), (80, 597649), (104, 459730), (124, 385580), (130, 367784), (155, 308464), (208, 229865), (248, 192790), (260, 183892), (310, 154232), (403, 118640), (496, 96395), (520, 91946), (620, 77116), (806, 59320), (1040, 45973), (1240, 38558), (1483, 32240), (1612, 29660), (2015, 23728), (2480, 19279), (2966, 16120), (3224, 14830), (4030, 11864), (5932, 8060), (6448, 7415)]