26378840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{569}}^1$

素因数の和:660

約数の個数: 64

約数和(自身を含む): 63612000

約数和(自身を除く): 37233160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 61, 76, 95, 122, 152, 190, 244, 305, 380, 488, 569, 610, 760, 1138, 1159, 1220, 2276, 2318, 2440, 2845, 4552, 4636, 5690, 5795, 9272, 10811, 11380, 11590, 21622, 22760, 23180, 34709, 43244, 46360, 54055, 69418, 86488, 108110, 138836, 173545, 216220, 277672, 347090, 432440, 659471, 694180, 1318942, 1388360, 2637884, 3297355, 5275768, 6594710, 13189420, 26378840]

約数ペア:

[(1, 26378840), (2, 13189420), (4, 6594710), (5, 5275768), (8, 3297355), (10, 2637884), (19, 1388360), (20, 1318942), (38, 694180), (40, 659471), (61, 432440), (76, 347090), (95, 277672), (122, 216220), (152, 173545), (190, 138836), (244, 108110), (305, 86488), (380, 69418), (488, 54055), (569, 46360), (610, 43244), (760, 34709), (1138, 23180), (1159, 22760), (1220, 21622), (2276, 11590), (2318, 11380), (2440, 10811), (2845, 9272), (4552, 5795), (4636, 5690)]