80324660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{1069}}^1$

素因数の和:1125

約数の個数: 72

約数和(自身を含む): 193152120

約数和(自身を除く): 112827460

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 289, 340, 442, 578, 884, 1069, 1105, 1156, 1445, 2138, 2210, 2890, 3757, 4276, 4420, 5345, 5780, 7514, 10690, 13897, 15028, 18173, 18785, 21380, 27794, 36346, 37570, 55588, 69485, 72692, 75140, 90865, 138970, 181730, 236249, 277940, 308941, 363460, 472498, 617882, 944996, 1181245, 1235764, 1544705, 2362490, 3089410, 4016233, 4724980, 6178820, 8032466, 16064932, 20081165, 40162330, 80324660]

約数ペア:

[(1, 80324660), (2, 40162330), (4, 20081165), (5, 16064932), (10, 8032466), (13, 6178820), (17, 4724980), (20, 4016233), (26, 3089410), (34, 2362490), (52, 1544705), (65, 1235764), (68, 1181245), (85, 944996), (130, 617882), (170, 472498), (221, 363460), (260, 308941), (289, 277940), (340, 236249), (442, 181730), (578, 138970), (884, 90865), (1069, 75140), (1105, 72692), (1156, 69485), (1445, 55588), (2138, 37570), (2210, 36346), (2890, 27794), (3757, 21380), (4276, 18785), (4420, 18173), (5345, 15028), (5780, 13897), (7514, 10690)]