42006380

素因数分解:

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

素因数の和:161585

約数の個数: 24

約数和(自身を含む): 94999632

約数和(自身を除く): 52993252

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 161563, 323126, 646252, 807815, 1615630, 2100319, 3231260, 4200638, 8401276, 10501595, 21003190, 42006380]

約数ペア:

[(1, 42006380), (2, 21003190), (4, 10501595), (5, 8401276), (10, 4200638), (13, 3231260), (20, 2100319), (26, 1615630), (52, 807815), (65, 646252), (130, 323126), (260, 161563)]