87019400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{33469}}^1$

素因数の和:33498

約数の個数: 48

約数和(自身を含む): 217889700

約数和(自身を除く): 130870300

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 33469, 66938, 133876, 167345, 267752, 334690, 435097, 669380, 836725, 870194, 1338760, 1673450, 1740388, 2175485, 3346900, 3480776, 4350970, 6693800, 8701940, 10877425, 17403880, 21754850, 43509700, 87019400]

約数ペア:

[(1, 87019400), (2, 43509700), (4, 21754850), (5, 17403880), (8, 10877425), (10, 8701940), (13, 6693800), (20, 4350970), (25, 3480776), (26, 3346900), (40, 2175485), (50, 1740388), (52, 1673450), (65, 1338760), (100, 870194), (104, 836725), (130, 669380), (200, 435097), (260, 334690), (325, 267752), (520, 167345), (650, 133876), (1300, 66938), (2600, 33469)]