128224492040

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1\times {\mathrm{54779}}^1$

素因数の和:55350

約数の個数: 64

約数和(自身を含む): 291276216000

約数和(自身を除く): 163051723960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 421, 556, 695, 842, 1112, 1390, 1684, 2105, 2780, 3368, 4210, 5560, 8420, 16840, 54779, 58519, 109558, 117038, 219116, 234076, 273895, 292595, 438232, 468152, 547790, 585190, 1095580, 1170380, 2191160, 2340760, 7614281, 15228562, 23061959, 30457124, 38071405, 46123918, 60914248, 76142810, 92247836, 115309795, 152285620, 184495672, 230619590, 304571240, 461239180, 922478360, 3205612301, 6411224602, 12822449204, 16028061505, 25644898408, 32056123010, 64112246020, 128224492040]

約数ペア:

[(1, 128224492040), (2, 64112246020), (4, 32056123010), (5, 25644898408), (8, 16028061505), (10, 12822449204), (20, 6411224602), (40, 3205612301), (139, 922478360), (278, 461239180), (421, 304571240), (556, 230619590), (695, 184495672), (842, 152285620), (1112, 115309795), (1390, 92247836), (1684, 76142810), (2105, 60914248), (2780, 46123918), (3368, 38071405), (4210, 30457124), (5560, 23061959), (8420, 15228562), (16840, 7614281), (54779, 2340760), (58519, 2191160), (109558, 1170380), (117038, 1095580), (219116, 585190), (234076, 547790), (273895, 468152), (292595, 438232)]