40619920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1489}}^1$

素因数の和:1544

約数の個数: 80

約数和(自身を含む): 106421760

約数和(自身を除く): 65801840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1240, 1364, 1489, 1705, 2480, 2728, 2978, 3410, 5456, 5956, 6820, 7445, 11912, 13640, 14890, 16379, 23824, 27280, 29780, 32758, 46159, 59560, 65516, 81895, 92318, 119120, 131032, 163790, 184636, 230795, 262064, 327580, 369272, 461590, 507749, 655160, 738544, 923180, 1015498, 1310320, 1846360, 2030996, 2538745, 3692720, 4061992, 5077490, 8123984, 10154980, 20309960, 40619920]

約数ペア:

[(1, 40619920), (2, 20309960), (4, 10154980), (5, 8123984), (8, 5077490), (10, 4061992), (11, 3692720), (16, 2538745), (20, 2030996), (22, 1846360), (31, 1310320), (40, 1015498), (44, 923180), (55, 738544), (62, 655160), (80, 507749), (88, 461590), (110, 369272), (124, 327580), (155, 262064), (176, 230795), (220, 184636), (248, 163790), (310, 131032), (341, 119120), (440, 92318), (496, 81895), (620, 65516), (682, 59560), (880, 46159), (1240, 32758), (1364, 29780), (1489, 27280), (1705, 23824), (2480, 16379), (2728, 14890), (2978, 13640), (3410, 11912), (5456, 7445), (5956, 6820)]