72238240

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6359}}^1$

素因数の和:6445

約数の個数: 48

約数和(自身を含む): 173093760

約数和(自身を除く): 100855520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 284, 355, 568, 710, 1136, 1420, 2272, 2840, 5680, 6359, 11360, 12718, 25436, 31795, 50872, 63590, 101744, 127180, 203488, 254360, 451489, 508720, 902978, 1017440, 1805956, 2257445, 3611912, 4514890, 7223824, 9029780, 14447648, 18059560, 36119120, 72238240]

約数ペア:

[(1, 72238240), (2, 36119120), (4, 18059560), (5, 14447648), (8, 9029780), (10, 7223824), (16, 4514890), (20, 3611912), (32, 2257445), (40, 1805956), (71, 1017440), (80, 902978), (142, 508720), (160, 451489), (284, 254360), (355, 203488), (568, 127180), (710, 101744), (1136, 63590), (1420, 50872), (2272, 31795), (2840, 25436), (5680, 12718), (6359, 11360)]