16157338880

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{407191}}^1$

素因数の和:407243

約数の個数: 72

約数和(自身を含む): 39950421504

約数和(自身を除く): 23793082624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 7936, 9920, 19840, 39680, 407191, 814382, 1628764, 2035955, 3257528, 4071910, 6515056, 8143820, 12622921, 13030112, 16287640, 25245842, 26060224, 32575280, 50491684, 52120448, 63114605, 65150560, 100983368, 104240896, 126229210, 130301120, 201966736, 252458420, 260602240, 403933472, 504916840, 521204480, 807866944, 1009833680, 1615733888, 2019667360, 3231467776, 4039334720, 8078669440, 16157338880]

約数ペア:

[(1, 16157338880), (2, 8078669440), (4, 4039334720), (5, 3231467776), (8, 2019667360), (10, 1615733888), (16, 1009833680), (20, 807866944), (31, 521204480), (32, 504916840), (40, 403933472), (62, 260602240), (64, 252458420), (80, 201966736), (124, 130301120), (128, 126229210), (155, 104240896), (160, 100983368), (248, 65150560), (256, 63114605), (310, 52120448), (320, 50491684), (496, 32575280), (620, 26060224), (640, 25245842), (992, 16287640), (1240, 13030112), (1280, 12622921), (1984, 8143820), (2480, 6515056), (3968, 4071910), (4960, 3257528), (7936, 2035955), (9920, 1628764), (19840, 814382), (39680, 407191)]