2506480

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1$

素因数の和:146

約数の個数: 80

約数和(自身を含む): 6562080

約数和(自身を除く): 4055600

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 97, 136, 152, 170, 190, 194, 272, 304, 323, 340, 380, 388, 485, 646, 680, 760, 776, 970, 1292, 1360, 1520, 1552, 1615, 1649, 1843, 1940, 2584, 3230, 3298, 3686, 3880, 5168, 6460, 6596, 7372, 7760, 8245, 9215, 12920, 13192, 14744, 16490, 18430, 25840, 26384, 29488, 31331, 32980, 36860, 62662, 65960, 73720, 125324, 131920, 147440, 156655, 250648, 313310, 501296, 626620, 1253240, 2506480]

約数ペア:

[(1, 2506480), (2, 1253240), (4, 626620), (5, 501296), (8, 313310), (10, 250648), (16, 156655), (17, 147440), (19, 131920), (20, 125324), (34, 73720), (38, 65960), (40, 62662), (68, 36860), (76, 32980), (80, 31331), (85, 29488), (95, 26384), (97, 25840), (136, 18430), (152, 16490), (170, 14744), (190, 13192), (194, 12920), (272, 9215), (304, 8245), (323, 7760), (340, 7372), (380, 6596), (388, 6460), (485, 5168), (646, 3880), (680, 3686), (760, 3298), (776, 3230), (970, 2584), (1292, 1940), (1360, 1843), (1520, 1649), (1552, 1615)]