39325480

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:370

約数の個数: 64

約数和(自身を含む): 91601280

約数和(自身を除く): 52275800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 71, 122, 142, 227, 244, 284, 305, 355, 454, 488, 568, 610, 710, 908, 1135, 1220, 1420, 1816, 2270, 2440, 2840, 4331, 4540, 8662, 9080, 13847, 16117, 17324, 21655, 27694, 32234, 34648, 43310, 55388, 64468, 69235, 80585, 86620, 110776, 128936, 138470, 161170, 173240, 276940, 322340, 553880, 644680, 983137, 1966274, 3932548, 4915685, 7865096, 9831370, 19662740, 39325480]

約数ペア:

[(1, 39325480), (2, 19662740), (4, 9831370), (5, 7865096), (8, 4915685), (10, 3932548), (20, 1966274), (40, 983137), (61, 644680), (71, 553880), (122, 322340), (142, 276940), (227, 173240), (244, 161170), (284, 138470), (305, 128936), (355, 110776), (454, 86620), (488, 80585), (568, 69235), (610, 64468), (710, 55388), (908, 43310), (1135, 34648), (1220, 32234), (1420, 27694), (1816, 21655), (2270, 17324), (2440, 16117), (2840, 13847), (4331, 9080), (4540, 8662)]