8889450440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{322549}}^1$

素因数の和:322626

約数の個数: 64

約数和(自身を含む): 21946302000

約数和(自身を除く): 13056851560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 104, 106, 130, 212, 260, 265, 424, 520, 530, 689, 1060, 1378, 2120, 2756, 3445, 5512, 6890, 13780, 27560, 322549, 645098, 1290196, 1612745, 2580392, 3225490, 4193137, 6450980, 8386274, 12901960, 16772548, 17095097, 20965685, 33545096, 34190194, 41931370, 68380388, 83862740, 85475485, 136760776, 167725480, 170950970, 222236261, 341901940, 444472522, 683803880, 888945044, 1111181305, 1777890088, 2222362610, 4444725220, 8889450440]

約数ペア:

[(1, 8889450440), (2, 4444725220), (4, 2222362610), (5, 1777890088), (8, 1111181305), (10, 888945044), (13, 683803880), (20, 444472522), (26, 341901940), (40, 222236261), (52, 170950970), (53, 167725480), (65, 136760776), (104, 85475485), (106, 83862740), (130, 68380388), (212, 41931370), (260, 34190194), (265, 33545096), (424, 20965685), (520, 17095097), (530, 16772548), (689, 12901960), (1060, 8386274), (1378, 6450980), (2120, 4193137), (2756, 3225490), (3445, 2580392), (5512, 1612745), (6890, 1290196), (13780, 645098), (27560, 322549)]