40649680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{443}}^1$

素因数の和:524

約数の個数: 80

約数和(自身を含む): 100422144

約数和(自身を除く): 59772464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 37, 40, 62, 74, 80, 124, 148, 155, 185, 248, 296, 310, 370, 443, 496, 592, 620, 740, 886, 1147, 1240, 1480, 1772, 2215, 2294, 2480, 2960, 3544, 4430, 4588, 5735, 7088, 8860, 9176, 11470, 13733, 16391, 17720, 18352, 22940, 27466, 32782, 35440, 45880, 54932, 65564, 68665, 81955, 91760, 109864, 131128, 137330, 163910, 219728, 262256, 274660, 327820, 508121, 549320, 655640, 1016242, 1098640, 1311280, 2032484, 2540605, 4064968, 5081210, 8129936, 10162420, 20324840, 40649680]

約数ペア:

[(1, 40649680), (2, 20324840), (4, 10162420), (5, 8129936), (8, 5081210), (10, 4064968), (16, 2540605), (20, 2032484), (31, 1311280), (37, 1098640), (40, 1016242), (62, 655640), (74, 549320), (80, 508121), (124, 327820), (148, 274660), (155, 262256), (185, 219728), (248, 163910), (296, 137330), (310, 131128), (370, 109864), (443, 91760), (496, 81955), (592, 68665), (620, 65564), (740, 54932), (886, 45880), (1147, 35440), (1240, 32782), (1480, 27466), (1772, 22940), (2215, 18352), (2294, 17720), (2480, 16391), (2960, 13733), (3544, 11470), (4430, 9176), (4588, 8860), (5735, 7088)]