22280320

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1123}}^1$

素因数の和:1173

約数の個数: 64

約数和(自身を含む): 55031040

約数和(自身を除く): 32750720

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, 1123, 1240, 1984, 2246, 2480, 3968, 4492, 4960, 5615, 8984, 9920, 11230, 17968, 19840, 22460, 34813, 35936, 44920, 69626, 71872, 89840, 139252, 143744, 174065, 179680, 278504, 348130, 359360, 557008, 696260, 718720, 1114016, 1392520, 2228032, 2785040, 4456064, 5570080, 11140160, 22280320]

約数ペア:

[(1, 22280320), (2, 11140160), (4, 5570080), (5, 4456064), (8, 2785040), (10, 2228032), (16, 1392520), (20, 1114016), (31, 718720), (32, 696260), (40, 557008), (62, 359360), (64, 348130), (80, 278504), (124, 179680), (128, 174065), (155, 143744), (160, 139252), (248, 89840), (310, 71872), (320, 69626), (496, 44920), (620, 35936), (640, 34813), (992, 22460), (1123, 19840), (1240, 17968), (1984, 11230), (2246, 9920), (2480, 8984), (3968, 5615), (4492, 4960)]