40038880

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{5107}}^1$

素因数の和:5136

約数の個数: 72

約数和(自身を含む): 110056968

約数和(自身を除く): 70018088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 5107, 7840, 10214, 20428, 25535, 35749, 40856, 51070, 71498, 81712, 102140, 142996, 163424, 178745, 204280, 250243, 285992, 357490, 408560, 500486, 571984, 714980, 817120, 1000972, 1143968, 1251215, 1429960, 2001944, 2502430, 2859920, 4003888, 5004860, 5719840, 8007776, 10009720, 20019440, 40038880]

約数ペア:

[(1, 40038880), (2, 20019440), (4, 10009720), (5, 8007776), (7, 5719840), (8, 5004860), (10, 4003888), (14, 2859920), (16, 2502430), (20, 2001944), (28, 1429960), (32, 1251215), (35, 1143968), (40, 1000972), (49, 817120), (56, 714980), (70, 571984), (80, 500486), (98, 408560), (112, 357490), (140, 285992), (160, 250243), (196, 204280), (224, 178745), (245, 163424), (280, 142996), (392, 102140), (490, 81712), (560, 71498), (784, 51070), (980, 40856), (1120, 35749), (1568, 25535), (1960, 20428), (3920, 10214), (5107, 7840)]