98942080

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4987}}^1$

素因数の和:5037

約数の個数: 64

約数和(自身を含む): 244212480

約数和(自身を除く): 145270400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 4987, 9920, 9974, 19840, 19948, 24935, 39896, 49870, 79792, 99740, 154597, 159584, 199480, 309194, 319168, 398960, 618388, 638336, 772985, 797920, 1236776, 1545970, 1595840, 2473552, 3091940, 3191680, 4947104, 6183880, 9894208, 12367760, 19788416, 24735520, 49471040, 98942080]

約数ペア:

[(1, 98942080), (2, 49471040), (4, 24735520), (5, 19788416), (8, 12367760), (10, 9894208), (16, 6183880), (20, 4947104), (31, 3191680), (32, 3091940), (40, 2473552), (62, 1595840), (64, 1545970), (80, 1236776), (124, 797920), (128, 772985), (155, 638336), (160, 618388), (248, 398960), (310, 319168), (320, 309194), (496, 199480), (620, 159584), (640, 154597), (992, 99740), (1240, 79792), (1984, 49870), (2480, 39896), (3968, 24935), (4960, 19948), (4987, 19840), (9920, 9974)]