4326920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:234

約数の個数: 64

約数和(自身を含む): 10750320

約数和(自身を除く): 6423400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 104, 106, 130, 157, 212, 260, 265, 314, 424, 520, 530, 628, 689, 785, 1060, 1256, 1378, 1570, 2041, 2120, 2756, 3140, 3445, 4082, 5512, 6280, 6890, 8164, 8321, 10205, 13780, 16328, 16642, 20410, 27560, 33284, 40820, 41605, 66568, 81640, 83210, 108173, 166420, 216346, 332840, 432692, 540865, 865384, 1081730, 2163460, 4326920]

約数ペア:

[(1, 4326920), (2, 2163460), (4, 1081730), (5, 865384), (8, 540865), (10, 432692), (13, 332840), (20, 216346), (26, 166420), (40, 108173), (52, 83210), (53, 81640), (65, 66568), (104, 41605), (106, 40820), (130, 33284), (157, 27560), (212, 20410), (260, 16642), (265, 16328), (314, 13780), (424, 10205), (520, 8321), (530, 8164), (628, 6890), (689, 6280), (785, 5512), (1060, 4082), (1256, 3445), (1378, 3140), (1570, 2756), (2041, 2120)]