48800120

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:348

約数の個数: 64

約数和(自身を含む): 113097600

約数和(自身を除く): 64297480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 131, 134, 139, 262, 268, 278, 335, 524, 536, 556, 655, 670, 695, 1048, 1112, 1310, 1340, 1390, 2620, 2680, 2780, 5240, 5560, 8777, 9313, 17554, 18209, 18626, 35108, 36418, 37252, 43885, 46565, 70216, 72836, 74504, 87770, 91045, 93130, 145672, 175540, 182090, 186260, 351080, 364180, 372520, 728360, 1220003, 2440006, 4880012, 6100015, 9760024, 12200030, 24400060, 48800120]

約数ペア:

[(1, 48800120), (2, 24400060), (4, 12200030), (5, 9760024), (8, 6100015), (10, 4880012), (20, 2440006), (40, 1220003), (67, 728360), (131, 372520), (134, 364180), (139, 351080), (262, 186260), (268, 182090), (278, 175540), (335, 145672), (524, 93130), (536, 91045), (556, 87770), (655, 74504), (670, 72836), (695, 70216), (1048, 46565), (1112, 43885), (1310, 37252), (1340, 36418), (1390, 35108), (2620, 18626), (2680, 18209), (2780, 17554), (5240, 9313), (5560, 8777)]