72069725

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{401}}^1$

素因数の和:510

約数の個数: 48

約数和(自身を含む): 111659520

約数和(自身を除く): 39589795

約数列:

[1, 5, 7, 13, 25, 35, 65, 79, 91, 175, 325, 395, 401, 455, 553, 1027, 1975, 2005, 2275, 2765, 2807, 5135, 5213, 7189, 10025, 13825, 14035, 25675, 26065, 31679, 35945, 36491, 70175, 130325, 158395, 179725, 182455, 221753, 411827, 791975, 912275, 1108765, 2059135, 2882789, 5543825, 10295675, 14413945, 72069725]

約数ペア:

[(1, 72069725), (5, 14413945), (7, 10295675), (13, 5543825), (25, 2882789), (35, 2059135), (65, 1108765), (79, 912275), (91, 791975), (175, 411827), (325, 221753), (395, 182455), (401, 179725), (455, 158395), (553, 130325), (1027, 70175), (1975, 36491), (2005, 35945), (2275, 31679), (2765, 26065), (2807, 25675), (5135, 14035), (5213, 13825), (7189, 10025)]