39964760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1489}}^1$

素因数の和:1572

約数の個数: 64

約数和(自身を含む): 99770400

約数和(自身を除く): 59805640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 220, 244, 305, 440, 488, 610, 671, 1220, 1342, 1489, 2440, 2684, 2978, 3355, 5368, 5956, 6710, 7445, 11912, 13420, 14890, 16379, 26840, 29780, 32758, 59560, 65516, 81895, 90829, 131032, 163790, 181658, 327580, 363316, 454145, 655160, 726632, 908290, 999119, 1816580, 1998238, 3633160, 3996476, 4995595, 7992952, 9991190, 19982380, 39964760]

約数ペア:

[(1, 39964760), (2, 19982380), (4, 9991190), (5, 7992952), (8, 4995595), (10, 3996476), (11, 3633160), (20, 1998238), (22, 1816580), (40, 999119), (44, 908290), (55, 726632), (61, 655160), (88, 454145), (110, 363316), (122, 327580), (220, 181658), (244, 163790), (305, 131032), (440, 90829), (488, 81895), (610, 65516), (671, 59560), (1220, 32758), (1342, 29780), (1489, 26840), (2440, 16379), (2684, 14890), (2978, 13420), (3355, 11912), (5368, 7445), (5956, 6710)]