54144040

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1$

素因数の和:394

約数の個数: 64

約数和(自身を含む): 125582400

約数和(自身を除く): 71438360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 89, 134, 178, 227, 268, 335, 356, 445, 454, 536, 670, 712, 890, 908, 1135, 1340, 1780, 1816, 2270, 2680, 3560, 4540, 5963, 9080, 11926, 15209, 20203, 23852, 29815, 30418, 40406, 47704, 59630, 60836, 76045, 80812, 101015, 119260, 121672, 152090, 161624, 202030, 238520, 304180, 404060, 608360, 808120, 1353601, 2707202, 5414404, 6768005, 10828808, 13536010, 27072020, 54144040]

約数ペア:

[(1, 54144040), (2, 27072020), (4, 13536010), (5, 10828808), (8, 6768005), (10, 5414404), (20, 2707202), (40, 1353601), (67, 808120), (89, 608360), (134, 404060), (178, 304180), (227, 238520), (268, 202030), (335, 161624), (356, 152090), (445, 121672), (454, 119260), (536, 101015), (670, 80812), (712, 76045), (890, 60836), (908, 59630), (1135, 47704), (1340, 40406), (1780, 30418), (1816, 29815), (2270, 23852), (2680, 20203), (3560, 15209), (4540, 11926), (5963, 9080)]