53951920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1657}}^1$

素因数の和:1718

約数の個数: 80

約数和(自身を含む): 140624928

約数和(自身を除く): 86673008

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 37, 40, 44, 55, 74, 80, 88, 110, 148, 176, 185, 220, 296, 370, 407, 440, 592, 740, 814, 880, 1480, 1628, 1657, 2035, 2960, 3256, 3314, 4070, 6512, 6628, 8140, 8285, 13256, 16280, 16570, 18227, 26512, 32560, 33140, 36454, 61309, 66280, 72908, 91135, 122618, 132560, 145816, 182270, 245236, 291632, 306545, 364540, 490472, 613090, 674399, 729080, 980944, 1226180, 1348798, 1458160, 2452360, 2697596, 3371995, 4904720, 5395192, 6743990, 10790384, 13487980, 26975960, 53951920]

約数ペア:

[(1, 53951920), (2, 26975960), (4, 13487980), (5, 10790384), (8, 6743990), (10, 5395192), (11, 4904720), (16, 3371995), (20, 2697596), (22, 2452360), (37, 1458160), (40, 1348798), (44, 1226180), (55, 980944), (74, 729080), (80, 674399), (88, 613090), (110, 490472), (148, 364540), (176, 306545), (185, 291632), (220, 245236), (296, 182270), (370, 145816), (407, 132560), (440, 122618), (592, 91135), (740, 72908), (814, 66280), (880, 61309), (1480, 36454), (1628, 33140), (1657, 32560), (2035, 26512), (2960, 18227), (3256, 16570), (3314, 16280), (4070, 13256), (6512, 8285), (6628, 8140)]