64018540

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{227}}^1\times {\mathrm{239}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 137894400

約数和(自身を除く): 73875860

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 227, 236, 239, 295, 454, 478, 590, 908, 956, 1135, 1180, 1195, 2270, 2390, 4540, 4780, 13393, 14101, 26786, 28202, 53572, 54253, 56404, 66965, 70505, 108506, 133930, 141010, 217012, 267860, 271265, 282020, 542530, 1085060, 3200927, 6401854, 12803708, 16004635, 32009270, 64018540]

約数ペア:

[(1, 64018540), (2, 32009270), (4, 16004635), (5, 12803708), (10, 6401854), (20, 3200927), (59, 1085060), (118, 542530), (227, 282020), (236, 271265), (239, 267860), (295, 217012), (454, 141010), (478, 133930), (590, 108506), (908, 70505), (956, 66965), (1135, 56404), (1180, 54253), (1195, 53572), (2270, 28202), (2390, 26786), (4540, 14101), (4780, 13393)]