4023980

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1163}}^1$

素因数の和:1345

約数の個数: 24

約数和(自身を含む): 8506512

約数和(自身を除く): 4482532

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1163, 1730, 2326, 3460, 4652, 5815, 11630, 23260, 201199, 402398, 804796, 1005995, 2011990, 4023980]

約数ペア:

[(1, 4023980), (2, 2011990), (4, 1005995), (5, 804796), (10, 402398), (20, 201199), (173, 23260), (346, 11630), (692, 5815), (865, 4652), (1163, 3460), (1730, 2326)]