31435520

素因数分解:

$2^8\times 5^1\times {\mathrm{41}}^1\times {\mathrm{599}}^1$

素因数の和:661

約数の個数: 72

約数和(自身を含む): 77263200

約数和(自身を除く): 45827680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 256, 320, 328, 410, 599, 640, 656, 820, 1198, 1280, 1312, 1640, 2396, 2624, 2995, 3280, 4792, 5248, 5990, 6560, 9584, 10496, 11980, 13120, 19168, 23960, 24559, 26240, 38336, 47920, 49118, 52480, 76672, 95840, 98236, 122795, 153344, 191680, 196472, 245590, 383360, 392944, 491180, 766720, 785888, 982360, 1571776, 1964720, 3143552, 3929440, 6287104, 7858880, 15717760, 31435520]

約数ペア:

[(1, 31435520), (2, 15717760), (4, 7858880), (5, 6287104), (8, 3929440), (10, 3143552), (16, 1964720), (20, 1571776), (32, 982360), (40, 785888), (41, 766720), (64, 491180), (80, 392944), (82, 383360), (128, 245590), (160, 196472), (164, 191680), (205, 153344), (256, 122795), (320, 98236), (328, 95840), (410, 76672), (599, 52480), (640, 49118), (656, 47920), (820, 38336), (1198, 26240), (1280, 24559), (1312, 23960), (1640, 19168), (2396, 13120), (2624, 11980), (2995, 10496), (3280, 9584), (4792, 6560), (5248, 5990)]