80123254720

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8076941}}^1$

素因数の和:8076989

約数の個数: 56

約数和(自身を含む): 196948153728

約数和(自身を除く): 116824899008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 8076941, 16153882, 32307764, 40384705, 64615528, 80769410, 129231056, 161538820, 250385171, 258462112, 323077640, 500770342, 516924224, 646155280, 1001540684, 1251925855, 1292310560, 2003081368, 2503851710, 2584621120, 4006162736, 5007703420, 8012325472, 10015406840, 16024650944, 20030813680, 40061627360, 80123254720]

約数ペア:

[(1, 80123254720), (2, 40061627360), (4, 20030813680), (5, 16024650944), (8, 10015406840), (10, 8012325472), (16, 5007703420), (20, 4006162736), (31, 2584621120), (32, 2503851710), (40, 2003081368), (62, 1292310560), (64, 1251925855), (80, 1001540684), (124, 646155280), (155, 516924224), (160, 500770342), (248, 323077640), (310, 258462112), (320, 250385171), (496, 161538820), (620, 129231056), (992, 80769410), (1240, 64615528), (1984, 40384705), (2480, 32307764), (4960, 16153882), (9920, 8076941)]