28472960

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2617}}^1$

素因数の和:2653

約数の個数: 64

約数和(自身を含む): 72099720

約数和(自身を除く): 43626760

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 2176, 2617, 2720, 5234, 5440, 10468, 10880, 13085, 20936, 26170, 41872, 44489, 52340, 83744, 88978, 104680, 167488, 177956, 209360, 222445, 334976, 355912, 418720, 444890, 711824, 837440, 889780, 1423648, 1674880, 1779560, 2847296, 3559120, 5694592, 7118240, 14236480, 28472960]

約数ペア:

[(1, 28472960), (2, 14236480), (4, 7118240), (5, 5694592), (8, 3559120), (10, 2847296), (16, 1779560), (17, 1674880), (20, 1423648), (32, 889780), (34, 837440), (40, 711824), (64, 444890), (68, 418720), (80, 355912), (85, 334976), (128, 222445), (136, 209360), (160, 177956), (170, 167488), (272, 104680), (320, 88978), (340, 83744), (544, 52340), (640, 44489), (680, 41872), (1088, 26170), (1360, 20936), (2176, 13085), (2617, 10880), (2720, 10468), (5234, 5440)]