1316852720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{530989}}^1$

素因数の和:531033

約数の個数: 40

約数和(自身を含む): 3160452480

約数和(自身を除く): 1843599760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 530989, 1061978, 2123956, 2654945, 4247912, 5309890, 8495824, 10619780, 16460659, 21239560, 32921318, 42479120, 65842636, 82303295, 131685272, 164606590, 263370544, 329213180, 658426360, 1316852720]

約数ペア:

[(1, 1316852720), (2, 658426360), (4, 329213180), (5, 263370544), (8, 164606590), (10, 131685272), (16, 82303295), (20, 65842636), (31, 42479120), (40, 32921318), (62, 21239560), (80, 16460659), (124, 10619780), (155, 8495824), (248, 5309890), (310, 4247912), (496, 2654945), (620, 2123956), (1240, 1061978), (2480, 530989)]