28327585780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4993}}^1\times {\mathrm{21821}}^1$

素因数の和:26836

約数の個数: 48

約数和(自身を含む): 64079691984

約数和(自身を除く): 35752106204

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 4993, 9986, 19972, 21821, 24965, 43642, 49930, 64909, 87284, 99860, 109105, 129818, 218210, 259636, 283673, 324545, 436420, 567346, 649090, 1134692, 1298180, 1418365, 2836730, 5673460, 108952253, 217904506, 435809012, 544761265, 1089522530, 1416379289, 2179045060, 2832758578, 5665517156, 7081896445, 14163792890, 28327585780]

約数ペア:

[(1, 28327585780), (2, 14163792890), (4, 7081896445), (5, 5665517156), (10, 2832758578), (13, 2179045060), (20, 1416379289), (26, 1089522530), (52, 544761265), (65, 435809012), (130, 217904506), (260, 108952253), (4993, 5673460), (9986, 2836730), (19972, 1418365), (21821, 1298180), (24965, 1134692), (43642, 649090), (49930, 567346), (64909, 436420), (87284, 324545), (99860, 283673), (109105, 259636), (129818, 218210)]