156986808680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{301897709}}^1$

素因数の和:301897733

約数の個数: 32

約数和(自身を含む): 380391114600

約数和(自身を除く): 223404305920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 301897709, 603795418, 1207590836, 1509488545, 2415181672, 3018977090, 3924670217, 6037954180, 7849340434, 12075908360, 15698680868, 19623351085, 31397361736, 39246702170, 78493404340, 156986808680]

約数ペア:

[(1, 156986808680), (2, 78493404340), (4, 39246702170), (5, 31397361736), (8, 19623351085), (10, 15698680868), (13, 12075908360), (20, 7849340434), (26, 6037954180), (40, 3924670217), (52, 3018977090), (65, 2415181672), (104, 1509488545), (130, 1207590836), (260, 603795418), (520, 301897709)]