8889881780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1102963}}^1$

素因数の和:1103016

約数の個数: 48

約数和(自身を含む): 20753370624

約数和(自身を除く): 11863488844

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 1102963, 2205926, 4411852, 5514815, 11029630, 14338519, 22059260, 28677038, 34191853, 57354076, 68383706, 71692595, 136767412, 143385190, 170959265, 286770380, 341918530, 444494089, 683837060, 888988178, 1777976356, 2222470445, 4444940890, 8889881780]

約数ペア:

[(1, 8889881780), (2, 4444940890), (4, 2222470445), (5, 1777976356), (10, 888988178), (13, 683837060), (20, 444494089), (26, 341918530), (31, 286770380), (52, 170959265), (62, 143385190), (65, 136767412), (124, 71692595), (130, 68383706), (155, 57354076), (260, 34191853), (310, 28677038), (403, 22059260), (620, 14338519), (806, 11029630), (1612, 5514815), (2015, 4411852), (4030, 2205926), (8060, 1102963)]