8216240

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3313}}^1$

素因数の和:3357

約数の個数: 40

約数和(自身を含む): 19724928

約数和(自身を除く): 11508688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 3313, 6626, 13252, 16565, 26504, 33130, 53008, 66260, 102703, 132520, 205406, 265040, 410812, 513515, 821624, 1027030, 1643248, 2054060, 4108120, 8216240]

約数ペア:

[(1, 8216240), (2, 4108120), (4, 2054060), (5, 1643248), (8, 1027030), (10, 821624), (16, 513515), (20, 410812), (31, 265040), (40, 205406), (62, 132520), (80, 102703), (124, 66260), (155, 53008), (248, 33130), (310, 26504), (496, 16565), (620, 13252), (1240, 6626), (2480, 3313)]