139653760

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7039}}^1$

素因数の和:7089

約数の個数: 64

約数和(自身を含む): 344678400

約数和(自身を除く): 205024640

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, 7039, 9920, 14078, 19840, 28156, 35195, 56312, 70390, 112624, 140780, 218209, 225248, 281560, 436418, 450496, 563120, 872836, 900992, 1091045, 1126240, 1745672, 2182090, 2252480, 3491344, 4364180, 4504960, 6982688, 8728360, 13965376, 17456720, 27930752, 34913440, 69826880, 139653760]

約数ペア:

[(1, 139653760), (2, 69826880), (4, 34913440), (5, 27930752), (8, 17456720), (10, 13965376), (16, 8728360), (20, 6982688), (31, 4504960), (32, 4364180), (40, 3491344), (62, 2252480), (64, 2182090), (80, 1745672), (124, 1126240), (128, 1091045), (155, 900992), (160, 872836), (248, 563120), (310, 450496), (320, 436418), (496, 281560), (620, 225248), (640, 218209), (992, 140780), (1240, 112624), (1984, 70390), (2480, 56312), (3968, 35195), (4960, 28156), (7039, 19840), (9920, 14078)]