51853520

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{15809}}^1$

素因数の和:15863

約数の個数: 40

約数和(自身を含む): 123507720

約数和(自身を除く): 71654200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 15809, 31618, 63236, 79045, 126472, 158090, 252944, 316180, 632360, 648169, 1264720, 1296338, 2592676, 3240845, 5185352, 6481690, 10370704, 12963380, 25926760, 51853520]

約数ペア:

[(1, 51853520), (2, 25926760), (4, 12963380), (5, 10370704), (8, 6481690), (10, 5185352), (16, 3240845), (20, 2592676), (40, 1296338), (41, 1264720), (80, 648169), (82, 632360), (164, 316180), (205, 252944), (328, 158090), (410, 126472), (656, 79045), (820, 63236), (1640, 31618), (3280, 15809)]