64692100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2557}}^1$

素因数の和:2605

約数の個数: 72

約数和(自身を含む): 159864768

約数和(自身を除く): 95172668

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 25, 44, 46, 50, 55, 92, 100, 110, 115, 220, 230, 253, 275, 460, 506, 550, 575, 1012, 1100, 1150, 1265, 2300, 2530, 2557, 5060, 5114, 6325, 10228, 12650, 12785, 25300, 25570, 28127, 51140, 56254, 58811, 63925, 112508, 117622, 127850, 140635, 235244, 255700, 281270, 294055, 562540, 588110, 646921, 703175, 1176220, 1293842, 1406350, 1470275, 2587684, 2812700, 2940550, 3234605, 5881100, 6469210, 12938420, 16173025, 32346050, 64692100]

約数ペア:

[(1, 64692100), (2, 32346050), (4, 16173025), (5, 12938420), (10, 6469210), (11, 5881100), (20, 3234605), (22, 2940550), (23, 2812700), (25, 2587684), (44, 1470275), (46, 1406350), (50, 1293842), (55, 1176220), (92, 703175), (100, 646921), (110, 588110), (115, 562540), (220, 294055), (230, 281270), (253, 255700), (275, 235244), (460, 140635), (506, 127850), (550, 117622), (575, 112508), (1012, 63925), (1100, 58811), (1150, 56254), (1265, 51140), (2300, 28127), (2530, 25570), (2557, 25300), (5060, 12785), (5114, 12650), (6325, 10228)]