4035980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1$

素因数の和:103

約数の個数: 72

約数和(自身を含む): 9857232

約数和(自身を除く): 5821252

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 43, 52, 65, 76, 86, 95, 130, 172, 190, 215, 247, 260, 361, 380, 430, 494, 559, 722, 817, 860, 988, 1118, 1235, 1444, 1634, 1805, 2236, 2470, 2795, 3268, 3610, 4085, 4693, 4940, 5590, 7220, 8170, 9386, 10621, 11180, 15523, 16340, 18772, 21242, 23465, 31046, 42484, 46930, 53105, 62092, 77615, 93860, 106210, 155230, 201799, 212420, 310460, 403598, 807196, 1008995, 2017990, 4035980]

約数ペア:

[(1, 4035980), (2, 2017990), (4, 1008995), (5, 807196), (10, 403598), (13, 310460), (19, 212420), (20, 201799), (26, 155230), (38, 106210), (43, 93860), (52, 77615), (65, 62092), (76, 53105), (86, 46930), (95, 42484), (130, 31046), (172, 23465), (190, 21242), (215, 18772), (247, 16340), (260, 15523), (361, 11180), (380, 10621), (430, 9386), (494, 8170), (559, 7220), (722, 5590), (817, 4940), (860, 4693), (988, 4085), (1118, 3610), (1235, 3268), (1444, 2795), (1634, 2470), (1805, 2236)]