69571720

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{28513}}^1$

素因数の和:28585

約数の個数: 32

約数和(自身を含む): 159108120

約数和(自身を除く): 89536400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 28513, 57026, 114052, 142565, 228104, 285130, 570260, 1140520, 1739293, 3478586, 6957172, 8696465, 13914344, 17392930, 34785860, 69571720]

約数ペア:

[(1, 69571720), (2, 34785860), (4, 17392930), (5, 13914344), (8, 8696465), (10, 6957172), (20, 3478586), (40, 1739293), (61, 1140520), (122, 570260), (244, 285130), (305, 228104), (488, 142565), (610, 114052), (1220, 57026), (2440, 28513)]