131298640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4813}}^1$

素因数の和:4868

約数の個数: 80

約数和(自身を含む): 343835136

約数和(自身を除く): 212536496

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1240, 1364, 1705, 2480, 2728, 3410, 4813, 5456, 6820, 9626, 13640, 19252, 24065, 27280, 38504, 48130, 52943, 77008, 96260, 105886, 149203, 192520, 211772, 264715, 298406, 385040, 423544, 529430, 596812, 746015, 847088, 1058860, 1193624, 1492030, 1641233, 2117720, 2387248, 2984060, 3282466, 4235440, 5968120, 6564932, 8206165, 11936240, 13129864, 16412330, 26259728, 32824660, 65649320, 131298640]

約数ペア:

[(1, 131298640), (2, 65649320), (4, 32824660), (5, 26259728), (8, 16412330), (10, 13129864), (11, 11936240), (16, 8206165), (20, 6564932), (22, 5968120), (31, 4235440), (40, 3282466), (44, 2984060), (55, 2387248), (62, 2117720), (80, 1641233), (88, 1492030), (110, 1193624), (124, 1058860), (155, 847088), (176, 746015), (220, 596812), (248, 529430), (310, 423544), (341, 385040), (440, 298406), (496, 264715), (620, 211772), (682, 192520), (880, 149203), (1240, 105886), (1364, 96260), (1705, 77008), (2480, 52943), (2728, 48130), (3410, 38504), (4813, 27280), (5456, 24065), (6820, 19252), (9626, 13640)]