22445540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{659}}^1$

素因数の和:812

約数の個数: 48

約数和(自身を含む): 51226560

約数和(自身を除く): 28781020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 131, 260, 262, 524, 655, 659, 1310, 1318, 1703, 2620, 2636, 3295, 3406, 6590, 6812, 8515, 8567, 13180, 17030, 17134, 34060, 34268, 42835, 85670, 86329, 171340, 172658, 345316, 431645, 863290, 1122277, 1726580, 2244554, 4489108, 5611385, 11222770, 22445540]

約数ペア:

[(1, 22445540), (2, 11222770), (4, 5611385), (5, 4489108), (10, 2244554), (13, 1726580), (20, 1122277), (26, 863290), (52, 431645), (65, 345316), (130, 172658), (131, 171340), (260, 86329), (262, 85670), (524, 42835), (655, 34268), (659, 34060), (1310, 17134), (1318, 17030), (1703, 13180), (2620, 8567), (2636, 8515), (3295, 6812), (3406, 6590)]