65415740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{809}}^1$

素因数の和:1142

約数の個数: 48

約数和(自身を含む): 148599360

約数和(自身を除く): 83183620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 311, 622, 809, 1244, 1555, 1618, 3110, 3236, 4043, 4045, 6220, 8086, 8090, 10517, 16172, 16180, 20215, 21034, 40430, 42068, 52585, 80860, 105170, 210340, 251599, 503198, 1006396, 1257995, 2515990, 3270787, 5031980, 6541574, 13083148, 16353935, 32707870, 65415740]

約数ペア:

[(1, 65415740), (2, 32707870), (4, 16353935), (5, 13083148), (10, 6541574), (13, 5031980), (20, 3270787), (26, 2515990), (52, 1257995), (65, 1006396), (130, 503198), (260, 251599), (311, 210340), (622, 105170), (809, 80860), (1244, 52585), (1555, 42068), (1618, 40430), (3110, 21034), (3236, 20215), (4043, 16180), (4045, 16172), (6220, 10517), (8086, 8090)]