40871584

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5171}}^1$

素因数の和:5213

約数の個数: 48

約数和(自身を含む): 91234080

約数和(自身を除く): 50362496

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 208, 247, 304, 416, 494, 608, 988, 1976, 3952, 5171, 7904, 10342, 20684, 41368, 67223, 82736, 98249, 134446, 165472, 196498, 268892, 392996, 537784, 785992, 1075568, 1277237, 1571984, 2151136, 2554474, 3143968, 5108948, 10217896, 20435792, 40871584]

約数ペア:

[(1, 40871584), (2, 20435792), (4, 10217896), (8, 5108948), (13, 3143968), (16, 2554474), (19, 2151136), (26, 1571984), (32, 1277237), (38, 1075568), (52, 785992), (76, 537784), (104, 392996), (152, 268892), (208, 196498), (247, 165472), (304, 134446), (416, 98249), (494, 82736), (608, 67223), (988, 41368), (1976, 20684), (3952, 10342), (5171, 7904)]