4920991640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{509}}^1\times {\mathrm{12721}}^1$

素因数の和:13260

約数の個数: 64

約数和(自身を含む): 11678796000

約数和(自身を除く): 6757804360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 509, 760, 1018, 2036, 2545, 4072, 5090, 9671, 10180, 12721, 19342, 20360, 25442, 38684, 48355, 50884, 63605, 77368, 96710, 101768, 127210, 193420, 241699, 254420, 386840, 483398, 508840, 966796, 1208495, 1933592, 2416990, 4833980, 6474989, 9667960, 12949978, 25899956, 32374945, 51799912, 64749890, 123024791, 129499780, 246049582, 258999560, 492099164, 615123955, 984198328, 1230247910, 2460495820, 4920991640]

約数ペア:

[(1, 4920991640), (2, 2460495820), (4, 1230247910), (5, 984198328), (8, 615123955), (10, 492099164), (19, 258999560), (20, 246049582), (38, 129499780), (40, 123024791), (76, 64749890), (95, 51799912), (152, 32374945), (190, 25899956), (380, 12949978), (509, 9667960), (760, 6474989), (1018, 4833980), (2036, 2416990), (2545, 1933592), (4072, 1208495), (5090, 966796), (9671, 508840), (10180, 483398), (12721, 386840), (19342, 254420), (20360, 241699), (25442, 193420), (38684, 127210), (48355, 101768), (50884, 96710), (63605, 77368)]