90499840

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4159}}^1$

素因数の和:4197

約数の個数: 72

約数和(自身を含む): 229582080

約数和(自身を除く): 139082240

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 544, 640, 680, 1088, 1280, 1360, 2176, 2720, 4159, 4352, 5440, 8318, 10880, 16636, 20795, 21760, 33272, 41590, 66544, 70703, 83180, 133088, 141406, 166360, 266176, 282812, 332720, 353515, 532352, 565624, 665440, 707030, 1064704, 1131248, 1330880, 1414060, 2262496, 2661760, 2828120, 4524992, 5323520, 5656240, 9049984, 11312480, 18099968, 22624960, 45249920, 90499840]

約数ペア:

[(1, 90499840), (2, 45249920), (4, 22624960), (5, 18099968), (8, 11312480), (10, 9049984), (16, 5656240), (17, 5323520), (20, 4524992), (32, 2828120), (34, 2661760), (40, 2262496), (64, 1414060), (68, 1330880), (80, 1131248), (85, 1064704), (128, 707030), (136, 665440), (160, 565624), (170, 532352), (256, 353515), (272, 332720), (320, 282812), (340, 266176), (544, 166360), (640, 141406), (680, 133088), (1088, 83180), (1280, 70703), (1360, 66544), (2176, 41590), (2720, 33272), (4159, 21760), (4352, 20795), (5440, 16636), (8318, 10880)]