1330774640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{3191}}^1$

素因数の和:3618

約数の個数: 80

約数和(自身を含む): 3341411136

約数和(自身を除く): 2010636496

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 401, 520, 802, 1040, 1604, 2005, 3191, 3208, 4010, 5213, 6382, 6416, 8020, 10426, 12764, 15955, 16040, 20852, 25528, 26065, 31910, 32080, 41483, 41704, 51056, 52130, 63820, 82966, 83408, 104260, 127640, 165932, 207415, 208520, 255280, 331864, 414830, 417040, 663728, 829660, 1279591, 1659320, 2559182, 3318640, 5118364, 6397955, 10236728, 12795910, 16634683, 20473456, 25591820, 33269366, 51183640, 66538732, 83173415, 102367280, 133077464, 166346830, 266154928, 332693660, 665387320, 1330774640]

約数ペア:

[(1, 1330774640), (2, 665387320), (4, 332693660), (5, 266154928), (8, 166346830), (10, 133077464), (13, 102367280), (16, 83173415), (20, 66538732), (26, 51183640), (40, 33269366), (52, 25591820), (65, 20473456), (80, 16634683), (104, 12795910), (130, 10236728), (208, 6397955), (260, 5118364), (401, 3318640), (520, 2559182), (802, 1659320), (1040, 1279591), (1604, 829660), (2005, 663728), (3191, 417040), (3208, 414830), (4010, 331864), (5213, 255280), (6382, 208520), (6416, 207415), (8020, 165932), (10426, 127640), (12764, 104260), (15955, 83408), (16040, 82966), (20852, 63820), (25528, 52130), (26065, 51056), (31910, 41704), (32080, 41483)]