88492820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20021}}^1$

素因数の和:20060

約数の個数: 48

約数和(自身を含む): 211912848

約数和(自身を除く): 123420028

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 20021, 40042, 80084, 100105, 200210, 260273, 340357, 400420, 520546, 680714, 1041092, 1301365, 1361428, 1701785, 2602730, 3403570, 4424641, 5205460, 6807140, 8849282, 17698564, 22123205, 44246410, 88492820]

約数ペア:

[(1, 88492820), (2, 44246410), (4, 22123205), (5, 17698564), (10, 8849282), (13, 6807140), (17, 5205460), (20, 4424641), (26, 3403570), (34, 2602730), (52, 1701785), (65, 1361428), (68, 1301365), (85, 1041092), (130, 680714), (170, 520546), (221, 400420), (260, 340357), (340, 260273), (442, 200210), (884, 100105), (1105, 80084), (2210, 40042), (4420, 20021)]