25105040

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:288

約数の個数: 80

約数和(自身を含む): 61710336

約数和(自身を除く): 36605296

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 53, 62, 80, 106, 124, 155, 191, 212, 248, 265, 310, 382, 424, 496, 530, 620, 764, 848, 955, 1060, 1240, 1528, 1643, 1910, 2120, 2480, 3056, 3286, 3820, 4240, 5921, 6572, 7640, 8215, 10123, 11842, 13144, 15280, 16430, 20246, 23684, 26288, 29605, 32860, 40492, 47368, 50615, 59210, 65720, 80984, 94736, 101230, 118420, 131440, 161968, 202460, 236840, 313813, 404920, 473680, 627626, 809840, 1255252, 1569065, 2510504, 3138130, 5021008, 6276260, 12552520, 25105040]

約数ペア:

[(1, 25105040), (2, 12552520), (4, 6276260), (5, 5021008), (8, 3138130), (10, 2510504), (16, 1569065), (20, 1255252), (31, 809840), (40, 627626), (53, 473680), (62, 404920), (80, 313813), (106, 236840), (124, 202460), (155, 161968), (191, 131440), (212, 118420), (248, 101230), (265, 94736), (310, 80984), (382, 65720), (424, 59210), (496, 50615), (530, 47368), (620, 40492), (764, 32860), (848, 29605), (955, 26288), (1060, 23684), (1240, 20246), (1528, 16430), (1643, 15280), (1910, 13144), (2120, 11842), (2480, 10123), (3056, 8215), (3286, 7640), (3820, 6572), (4240, 5921)]