64288420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{14813}}^1$

素因数の和:14860

約数の個数: 48

約数和(自身を含む): 159280128

約数和(自身を除く): 94991708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 14813, 29626, 59252, 74065, 103691, 148130, 207382, 296260, 414764, 459203, 518455, 918406, 1036910, 1836812, 2073820, 2296015, 3214421, 4592030, 6428842, 9184060, 12857684, 16072105, 32144210, 64288420]

約数ペア:

[(1, 64288420), (2, 32144210), (4, 16072105), (5, 12857684), (7, 9184060), (10, 6428842), (14, 4592030), (20, 3214421), (28, 2296015), (31, 2073820), (35, 1836812), (62, 1036910), (70, 918406), (124, 518455), (140, 459203), (155, 414764), (217, 296260), (310, 207382), (434, 148130), (620, 103691), (868, 74065), (1085, 59252), (2170, 29626), (4340, 14813)]