87193880

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{673}}^1$

素因数の和:804

約数の個数: 64

約数和(自身を含む): 203817600

約数和(自身を除く): 116623720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 79, 82, 158, 164, 205, 316, 328, 395, 410, 632, 673, 790, 820, 1346, 1580, 1640, 2692, 3160, 3239, 3365, 5384, 6478, 6730, 12956, 13460, 16195, 25912, 26920, 27593, 32390, 53167, 55186, 64780, 106334, 110372, 129560, 137965, 212668, 220744, 265835, 275930, 425336, 531670, 551860, 1063340, 1103720, 2126680, 2179847, 4359694, 8719388, 10899235, 17438776, 21798470, 43596940, 87193880]

約数ペア:

[(1, 87193880), (2, 43596940), (4, 21798470), (5, 17438776), (8, 10899235), (10, 8719388), (20, 4359694), (40, 2179847), (41, 2126680), (79, 1103720), (82, 1063340), (158, 551860), (164, 531670), (205, 425336), (316, 275930), (328, 265835), (395, 220744), (410, 212668), (632, 137965), (673, 129560), (790, 110372), (820, 106334), (1346, 64780), (1580, 55186), (1640, 53167), (2692, 32390), (3160, 27593), (3239, 26920), (3365, 25912), (5384, 16195), (6478, 13460), (6730, 12956)]