169631720

素因数分解:

$2^3\times 5^1\times {\mathrm{503}}^1\times {\mathrm{8431}}^1$

素因数の和:8945

約数の個数: 32

約数和(自身を含む): 382475520

約数和(自身を除く): 212843800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503, 1006, 2012, 2515, 4024, 5030, 8431, 10060, 16862, 20120, 33724, 42155, 67448, 84310, 168620, 337240, 4240793, 8481586, 16963172, 21203965, 33926344, 42407930, 84815860, 169631720]

約数ペア:

[(1, 169631720), (2, 84815860), (4, 42407930), (5, 33926344), (8, 21203965), (10, 16963172), (20, 8481586), (40, 4240793), (503, 337240), (1006, 168620), (2012, 84310), (2515, 67448), (4024, 42155), (5030, 33724), (8431, 20120), (10060, 16862)]