84012760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{161563}}^1$

素因数の和:161587

約数の個数: 32

約数和(自身を含む): 203570640

約数和(自身を除く): 119557880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 161563, 323126, 646252, 807815, 1292504, 1615630, 2100319, 3231260, 4200638, 6462520, 8401276, 10501595, 16802552, 21003190, 42006380, 84012760]

約数ペア:

[(1, 84012760), (2, 42006380), (4, 21003190), (5, 16802552), (8, 10501595), (10, 8401276), (13, 6462520), (20, 4200638), (26, 3231260), (40, 2100319), (52, 1615630), (65, 1292504), (104, 807815), (130, 646252), (260, 323126), (520, 161563)]