89998720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{20089}}^1$

素因数の和:20115

約数の個数: 64

約数和(自身を含む): 245901600

約数和(自身を除く): 155902880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 20089, 40178, 80356, 100445, 140623, 160712, 200890, 281246, 321424, 401780, 562492, 642848, 703115, 803560, 1124984, 1285696, 1406230, 1607120, 2249968, 2571392, 2812460, 3214240, 4499936, 5624920, 6428480, 8999872, 11249840, 12856960, 17999744, 22499680, 44999360, 89998720]

約数ペア:

[(1, 89998720), (2, 44999360), (4, 22499680), (5, 17999744), (7, 12856960), (8, 11249840), (10, 8999872), (14, 6428480), (16, 5624920), (20, 4499936), (28, 3214240), (32, 2812460), (35, 2571392), (40, 2249968), (56, 1607120), (64, 1406230), (70, 1285696), (80, 1124984), (112, 803560), (128, 703115), (140, 642848), (160, 562492), (224, 401780), (280, 321424), (320, 281246), (448, 200890), (560, 160712), (640, 140623), (896, 100445), (1120, 80356), (2240, 40178), (4480, 20089)]