40516840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{11131}}^1$

素因数の和:11162

約数の個数: 64

約数和(自身を含む): 112210560

約数和(自身を除く): 71693720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 11131, 22262, 44524, 55655, 77917, 89048, 111310, 144703, 155834, 222620, 289406, 311668, 389585, 445240, 578812, 623336, 723515, 779170, 1012921, 1157624, 1447030, 1558340, 2025842, 2894060, 3116680, 4051684, 5064605, 5788120, 8103368, 10129210, 20258420, 40516840]

約数ペア:

[(1, 40516840), (2, 20258420), (4, 10129210), (5, 8103368), (7, 5788120), (8, 5064605), (10, 4051684), (13, 3116680), (14, 2894060), (20, 2025842), (26, 1558340), (28, 1447030), (35, 1157624), (40, 1012921), (52, 779170), (56, 723515), (65, 623336), (70, 578812), (91, 445240), (104, 389585), (130, 311668), (140, 289406), (182, 222620), (260, 155834), (280, 144703), (364, 111310), (455, 89048), (520, 77917), (728, 55655), (910, 44524), (1820, 22262), (3640, 11131)]